Engine fault codes

OPERATING INSTRUCTIONS F106.7/F106.7A/F156.7/F156.7A

Engine fault codes

40001343.00-en

Code Meaning Possible repair steps

3000 white Unknown fault code (DTC + FMI) No action required 3000 yellow Unknown fault code (DTC + FMI) Follow the instructions on the display, contact CNH Service

3000 red Unknown fault code (DTC + FMI) Switch off engine, follow the instructions on the display, contact CNH Service

3001 red Accelerator sensor – signal not plausible Idle speed switch faulty or idle speed switch cable broken or accelerator pedal faulty. Check wiring, replace idle speed switch or accelerator pedal.

3002 red Accelerator sensor – signal exceeds upper tolerance Short circuit in wiring or in accelerator. Check wiring or replace accelerator pedal.

3003 red Accelerator sensor – does not reach lower tolerance

Short circuit in wiring or in accelerator. Check wiring or replace accelerator pedal. 3004 red Accelerator sensor – no signal Check wiring or replace accelerator pedal. 3006 yellow Coolant temperature sensor – signal not plausible See plausibility check for oil temperature sensor (fault code 3033). 3007 yellow Coolant temperature sensor – signal exceeds upper tolerance Sensor faulty or short circuit to external source. Check wiring or replace sensor.

3008 yellow Coolant temperature sensor – signal below lower tolerance limit Sensor faulty or short circuit to external source. Check wiring or replace sensor.

3009 yellow Coolant temperature sensor – no signal on CAN

3010 yellow Intake air temperature sensor – signal exceeds upper tolerance limit Sensor faulty or short circuit to external source. Check wiring or replace sensor.

CAN plausibility check not carried out. Restart system if malfunction occurs again. Check wiring or replace sensor.

3011 yellow Intake air temperature sensor – signal below lower tolerance limit

3012 yellow Intake air temperature sensor – no signal on CAN

3013 yellow

3014 yellow Main relay 1 (high-pressure pump) – short circuit to battery (+). Check the main relay and wiring.

Preglow system/battery main switch relay – short circuit to ground 3015 yellow Fuel temperature sensor – signal exceeds upper tolerance 3016 yellow Fuel temperature sensor – signal exceeds lower tolerance Sensor faulty or short circuit to external source. Check wiring or replace sensor.

CAN plausibility check not carried out. Restart system if malfunction occurs again. Check wiring or replace sensor.

Check the relay and wiring.

Sensor faulty or short circuit to external source. Check wiring or replace sensor. Sensor faulty or short circuit to external source. Check wiring or replace sensor.

Code Meaning Possible repair steps

3019 yellow Boost pressure sensor – signal exceeds upper tolerance Sensor faulty or short circuit to external source. Check wiring or replace sensor.

3021 yellow Boost pressure sensor – no signal on CAN CAN plausibility check not carried out. Restart system if malfunction occurs again. Check wiring or replace sensor.

3022 yellow Boost pressure sensor – signal not plausible Difference between ambient and boost pressure outside of tolerance. Check wiring or replace sensor.

3023 yellow Ambient air pressure sensor – signal not plausible

3024 yellow Ambient air pressure sensor – signal exceeds upper tolerance limit ECU ambient pressure sensor faulty. Replace ECU (does not operate at high altitude and not required for turbocharger without variable turbine geometry)

3025 yellow Ambient air pressure sensor – signal below lower tolerance limit

3028 yellow Engine oil pressure too low Oil pressure encoder inaccurate or fault in oil supply (for example, oil level too low, leaking). Check oil pressure encoder and oil supply are functioning correctly.

3029 yellow Short circuit between oil pressure sensor and battery Oil pressure sensor faulty or short circuit to external source. Check wiring or replace sensor.

3030 yellow Oil pressure sensor – short circuit to ground

Oil pressure sensor faulty or short circuit to external source. Check wiring or replace sensor. 3031 yellow Oil pressure sensor – analogue/digital converter fault Replace oil pressure encoder.

3032 yellow Oil pressure sensor – pressure too high Oil pressure encoder inaccurate or fault in oil supply (for example, pipe blocked). Check oil pressure encoder and oil supply are functioning correctly.

3033 yellow Oil temperature sensor – signal not plausible

3034 yellow Oil temperature sensor – signal exceeds upper tolerance 3035 yellow Oil temperature sensor – signal below lower tolerance

3036 yellow Oil temperature sensor – CAN transmission fault Oil or coolant temperature sensor inaccurate or insufficient oil/coolant flow (coolant level low, or similar). Check oil and coolant temperature sensor for accuracy, and check that oil supply and coolant system are functioning correctly. Sensor faulty or short circuit to external source. Check wiring or replace sensor. Sensor faulty or short circuit to external source. Check wiring or replace sensor. CAN plausibility check not carried out. Restart system if malfunction occurs again. Check wiring or replace sensor.

3037 yellow Boost pressure sensor – signal too low Sensor faulty or short circuit to external source. Check wiring or replace sensor.

Code Meaning Possible repair steps

3043 yellow Vehicle speed encoder – hardware conversion error Speed sensor fault – replace.

3046 yellow Vehicle speed encoder – signal not plausible Speed sensor fault – replace.

3047 yellow High-pressure pump relay – short circuit to battery (+). Check the wiring. 3048 yellow High-pressure pump relay – short circuit to ground Check the wiring. 3051 yellow Battery voltage to ECM too high Faulty alternator voltage regulator. Replace voltage regulator or alternator.

3052 yellow Battery voltage to ECM too low

Battery fault, alternator fault, wiring fault (resistance too high) or ECU fault. Probably occurs during cold start. Replace battery or alternator. Check ECU and wiring. 3059 yellow ECM power-down interrupted Next time when switching off with the ignition/start switch, allow for the 30 seconds switch-off time.

3060 yellow Cylinder 1: unclassified fault at injector Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU.

3061 yellow Cylinder 1: short circuit in lowpressure side of the injector cable to battery Short circuit in wiring to external source. Check wiring or replace injector.

3062 yellow Cylinder 1: signal too low Check wiring and injection signals; replace ECU. 3063 yellow Cylinder 1: short circuit between high-pressure side and ground Injector coil faulty. Check wiring and replace injector.

3064 yellow Cylinder 5: unclassified fault at injector Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU.

3065 yellow Cylinder 5: short circuit in lowpressure side of the injector cable to battery Short circuit in wiring to external source. Check wiring or replace injector.

3066 yellow Cylinder 5: signal too low Check wiring and injection signals; replace ECU. 3067 yellow Cylinder 5: short circuit between high-pressure side and ground Injector coil faulty. Check wiring and replace injector.

3068 yellow Cylinder 3: unclassified fault at injector Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU.

3069 yellow Cylinder 3: short circuit in lowpressure side of the injector cable to battery Short circuit in wiring to external source. Check wiring or replace injector.

Code Meaning Possible repair steps

3070 yellow Cylinder 3: signal too low Check wiring and injection signals; replace ECU. 3071 yellow Cylinder 3: short circuit between high-pressure side and ground Injector coil faulty. Check wiring and replace injector.

3072 yellow Cylinder 6: unclassified fault at injector Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU.

3073 yellow Cylinder 6: short circuit in lowpressure side of the injector cable to battery Short circuit in wiring to external source. Check wiring or replace injector.

3074 yellow Cylinder 6: signal too low Check wiring and injection signals; replace ECU. 3075 yellow Cylinder 6: short circuit between high-pressure side and ground Injector coil faulty. Check wiring and replace injector.

3076 yellow Cylinder 2: unclassified fault at injector Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU.

3077 yellow Cylinder 2: short circuit in lowpressure side of the injector cable to battery Short circuit in wiring to external source. Check wiring or replace injector.

3078 yellow Cylinder 2: signal too low Check wiring and injection signals; replace ECU. 3079 yellow Cylinder 2: short circuit between high-pressure side and ground Injector coil faulty. Check wiring and replace injector.

3080 yellow Cylinder 4: unclassified fault at injector Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU.

3081 yellow Cylinder 4: short circuit in lowpressure side of the injector cable to battery Short circuit in wiring to external source. Check wiring or replace injector.

3082 yellow Cylinder 4: signal too low Check wiring and injection signals; replace ECU. 3083 yellow Cylinder 4: short circuit between high-pressure side and ground Injector coil faulty. Check wiring and replace injector.

3088 yellow Crankshaft sensor – loss of synchronisation Signal lost due to wiring fault – crankshaft speed encoder faulty or incorrectly installed. Check wiring, and check that encoder is installed correctly and working correctly (evaluate raw signals).

3089 yellow Crankshaft sensor faulty

3090 yellow Camshaft sensor – phase loss Check wiring, and check that encoder is installed correctly and working correctly (evaluate raw signals). Signal lost due to wiring fault – camshaft sensor faulty or incorrectly installed. Check wiring, and check that the sensor is installed correctly and working correctly (evaluate raw signals).

Code Meaning Possible repair steps

3091 yellow Camshaft sensor – phase synchronisation fault Check wiring, and check that the sensor is installed correctly and working correctly (evaluate raw signals).

3092 yellow Offset between camshaft and crankshaft not plausible Signal lost due to wiring fault, camshaft sensor or crankshaft speed sensor faulty incorrectly installed. Check wiring, and check that the sensor and the encoder are installed correctly and working correctly (evaluate raw signals).

3093 yellow Offset between camshaft and crankshaft outside of limits

3095 yellow Operating with camshaft sensor only Signal lost due to wiring fault, camshaft sensor or crankshaft speed sensor faulty incorrectly installed. Check wiring, and check that the sensor and the encoder are installed correctly and working correctly (evaluate raw signals). Check wiring, and check that the crankshaft speed sensor is installed correctly and working correctly (evaluate raw signals).

3102 red Pressure sensor CP3 – signal below lower tolerance limit Short circuit in wiring to ground or pressure sensor fault. Check the wiring of the pressure reservoir pressure sensor and check for correct function.

3104 red Pressure relief valve opened

3105 red Injection line pressure limiting valve opened at a pressure peak

3106 red Injection line pressure limiting valve did not open at a pressure peak.

3107 yellow Metering unit output – short circuit to battery

3108 yellow Metering unit – short circuit to ground

3110 red Offset monitoring of injection line pressure sensor – signal exceeds upper tolerance limit.

3111 red Offset monitoring of injection line pressure sensor – signal below lower tolerance limit. Pressure limiting valve faulty, malfunction in other injection component. Check pressure limiting valve for plausible values, check injection system components for correct function. Pressure limiting valve does not open when pressure limit is reached: Mechanical malfunction or incorrect application parameter. Check application value of pressure reservoir maximum pressure, check pressure limiting valve for correct function.

Pressure release valve does not open even after pressure wave: Pressure limiting valve sticks, or incorrect application parameter. Check application value of pressure reservoir maximum pressure, check pressure limiting valve for correct function. Short circuit between wiring and external source, or in relay. Check wiring or replace relay. Check the wiring.

Pressure reservoir sensor inaccurate. Check the wiring of pressure reservoir sensor, check for correct function, replace sensor. Pressure reservoir sensor inaccurate. Check the wiring of pressure reservoir sensor, check for correct function, replace sensor.

Code Meaning Possible repair steps

3112 red Pressure sensor CP3 signal exceeds upper tolerance Short circuit in wiring to external source or pressure sensor fault, reservoir pressure peak. Check the wiring of the pressure reservoir pressure sensor and check for correct function.

3113 yellow Main relay 1 (high-pressure pump) – short circuit to battery (+) Short circuit between main relay and external source, or main relay faulty. Check wiring between battery and ECU or replace main relay.

3114 yellow Preglow system/battery main switch relay – short circuit to ground Short circuit between main relay and ground, or main relay faulty. Check wiring between battery and ECU or replace main relay.

3118 yellow ECM 12 V sensor – supply voltage too high 3119 yellow ECM 12 V sensor – supply voltage too low ECU ambient pressure sensor faulty. Replace ECU (does not operate at high altitude and not required for turbocharger without variable turbine geometry)

3131 yellow Preglow system always on Short circuit between preglow system and ground. Check preglow system switch and replace. 3137 yellow Metering unit load interruption Wiring broken or disconnected or relay faulty. Check wiring or replace relay.

3138 yellow Metering unit signal not plausible Wiring, ECU, power stage or metering unit fault. Check wiring, ECU, power stage and metering unit.

3141 yellow Specified value for fuel flow through metering unit under calculated limit

3147 yellow Oil temperature sensor – signal exceeds normal range

3154 yellow Preglow system relay – short circuit to battery

3155 yellow Short circuit between preglow system relay and ground

3156 yellow No load on preglow system relay 3161 yellow Fan control signal – signal too low High-pressure system: Pressure reservoir sensor inaccurate, high-pressure pump fault. Low-pressure system: Metering unit return flow too low. Check for faults, referring to fault list. Check oil temperature sensor for correct function, and check oil supply. Short circuit between wiring and external source, or in relay. Check wiring or replace relay. Short circuit between wiring and ground, or in relay. Check wiring or replace relay. Wiring broken or disconnected or relay faulty. Check wiring or replace relay.

No information available at the time of printing.

3171 red Fuel manifold/system pressure too low High-pressure side: Leakage in high-pressure range, injector sticks in open position, highpressure pump worn, injector worn, pressure relief valve leaking Low-pressure side: Pressure upstream of gear pump too low, pump output too low (fuel filter clogged, leak on low-pressure side).

Code Meaning Possible repair steps

3172 red Fuel manifold/system pressure too high

3173 red Fuel manifold/system pressure too low Metering unit sticks in open position, zero delivery flap clogged, no power supply to metering unit due to electrical malfunction. Low-pressure side: Pressure upstream of gear pump too high (for example, due to pressure relief valve), pressure downstream of zero delivery valve too high.

See fault code 3171

3174 red Fuel manifold/system pressure too high

3175 yellow Leak found in fuel system – major leak

3176 yellow Fuel delivery exceeds limit for pressure in overflow mode

3178 yellow CAN message BC2EDC1: timeout

3179 yellow CAN message BC2EDC2: timeout

3180 yellow CAN message VCM2EDC1: timeout See fault code 3172

Leakage in high-pressure range, injector sticks in open position, high-pressure pump worn, injector worn, pressure relief valve leaking, injector return flow too high. High-pressure system: Leakage in high-pressure range, injector sticks in open position, high-pressure pump worn or faulty, injector worn, pressure relief valve leaking. Low-pressure system: “Zero delivery” not active in metering unit (major leak in metering unit). Check for faults, referring to fault list. CAN controller of vehicle computer faulty, vehicle computer power supply too low, vehicle computer not installed, CAN connecting cable of vehicle computer disconnected or broken. Short circuit in wiring. Check whether the vehicle computer is installed and correctly connected to the on-board network. Check that the CAN controller and its power supply are functioning correctly. Check the wiring. CAN controller of vehicle control unit (VOM) faulty, vehicle control unit power supply too low, vehicle control unit not installed, CAN connecting cable of vehicle control unit disconnected or broken. Short circuit in wiring. Check whether the vehicle control unit is installed and correctly connected to the network. Check that the CAN controller and its power supply are functioning correctly. Check the wiring.

Code Meaning Possible repair steps

3188 yellow Cylinder 1: load interruption 3192 yellow Cylinder 2: load interruption 3196 yellow Cylinder 3: load interruption 3200 yellow Cylinder 4: load interruption 3204 yellow Cylinder 5: load interruption 3208 yellow Cylinder 6: load interruption Cable broken or wiring disconnected or injector faulty. Check wiring or replace injector.

3210 yellow Bank 1: general short circuit at injection cable Short circuit between high-pressure side and battery or ground. Check wiring or replace injector.

3211 yellow Bank 1: short circuit in lowpressure side of the injector cable to ground

Short circuit to ground in the low-pressure side of the injector cable. Check wiring or replace injector. 3212 yellow Bank 1: no signal Check the wiring.

3213 yellow Bank 1: unclassified fault

3218 yellow Bank 2: general short circuit at injection cable Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU. Short circuit between high-pressure side and battery or ground. Check wiring or replace injector.

3219 yellow Bank 2: short circuit in lowpressure side of the injector cable to ground

Short circuit to ground in the low-pressure side of the injector cable. Check wiring or replace injector. 3220 yellow Bank 2: no signal Check the wiring.

3221 yellow Bank 2: unclassified fault Depending on the pattern, there may be different causes for the fault, even an internal ECU fault. Check wiring and injection signals; replace ECU.

3227 yellow Injection processor error – shut off the engine 3228 yellow Injection processor error – shut off the engine

3229 yellow Injection processor error – shut off the engine Clock error or power supply open. Check power supply or replace ECU if malfunction recurs. ECU defective, reset ECU. If this does not clear the fault, replace ECU. Internal ECU malfunction or “TEST MODE” duration too long. Check “TEST MODE” parameters, or replace ECU if malfunction recurs.

3230 yellow Injection processor error – shut off the engine Faulty SPI Bus user, timing problem due to software error. Replace ECU if malfunction recurs (return the ECU for testing).

Code Meaning Possible repair steps

3231 yellow Injection processor error – shut off the engine 3232 yellow Injection processor error – shut off the engine 3233 yellow Injection processor error – shut off the engine 3234 yellow Injection processor error – shut off the engine ECU defective. Replace ECU if malfunction recurs.

3238 red Communication fault in processor CJ940 Electrical malfunction or internal ECU fault causing communication fault on SPI bus. Replace ECU if malfunction cannot be cleared.

3242 red Recovery blocked 3243 red Recovery is suppressed

3244 red Recovery visible

3245 yellow Watchdog control mark for communication monitoring

3246 yellow Safety shutoff tracks at initialisation

3247 yellow Safety shutoff tracks at initialisation

3248 yellow Safety shutoff tracks at initialisation

3249 yellow

TPU monitoring – time deviation between TPU and system not plausible 3250 red ECU software version data input error – invalid data set

3251 yellow Data input – required variant cannot be entered

3252 yellow Controller watchdog – SPI communication error Electronic malfunction, different hardware faults (ECU internal) or configuration problem. Analyse which faults caused recovery (read off HWEMonnumRecovery mark and compare with the value in the related table). If the malfunction occurs repeatedly, re-program the ECU. If the malfunction fault occurs continuously, replace the ECU.

Watchdog module or CPU of ECU faulty (for example, fault in CPU clock function), malfunction on SPI bus. If the malfunction fault occurs only occasionally (i.e. injection function is available again), the fault can be ignored and the fault code can be cleared from the fault memory. If the malfunction occurs continuously, the injection function is blocked and the ECU must be replaced. Watchdog shutoff tracking faulty. If the malfunction continues to occur after ECU initialisation: Replace ECU. Electronic malfunction, ECU internal fault. If the malfunction continues to occur after ECU initialisation: Replace ECU.

No additional information available at the time of printing.

No additional information available at the time of printing. No additional information available at the time of printing. No additional information available at the time of printing.

Code Meaning Possible repair steps

3253 yellow ADC monitoring error status Buffer overflow No additional information available at the time of printing

3254 yellow ADC monitoring error status 3255 yellow ADC monitoring error status 3256 yellow ADC monitoring error status

3258 yellow Short circuit to battery on highpressure side of the power stage Short circuit between wiring and external source, or in relay. Check wiring or replace relay.

Inform CNH Service.

3259 yellow Short circuit to ground on highpressure side of the power stage Short circuit between wiring and ground, or in relay. Check wiring or replace relay.

3260 yellow Load interruption on lowpressure side power stage

3261 yellow

3262 yellow Short circuit to battery or temperature too high in lowpressure side power stage Short circuit between wiring and external source, or in relay. Check wiring or replace relay.

Short circuit to ground on lowpressure side of the power stage

3265 red Activation time exceeds overflow monitoring limit Wiring broken or disconnected or relay faulty. Check wiring or replace relay.

Short circuit between wiring and ground, or in relay. Check wiring or replace relay. Electronic malfunction, torque increase required with tester, incorrect application of injectionrelated parameters, ECU fault. Check injectionrelated application parameters; if fault cannot be cleared, replace ECU.

3266 red Plausibility error during engine speed test Electronic malfunction, ECU internal fault. If fault continues after re-installation, replace ECU.

3278 red Supply voltage CJ940 upper limit

3279 red Supply voltage CJ940 lower limit

3280 yellow Sensor supply voltage 1 too high Power supply too high for a CJ940 component: Battery voltage too high, wiring fault, internal ECU malfunction. Check battery for correct power supply, check wiring. If malfunction continues, replace ECU (internal fault). Insufficient power supply for a CJ940 component: Battery voltage too low, wiring fault, internal ECU malfunction. Check battery for sufficient power supply, check wiring. If malfunction continues, replace ECU (internal fault). Battery voltage too high, fault in wiring harness, electrical malfunction in connected sensors or in ECU. Check battery voltage, check wiring for correct sensor power supply, check ECU, replace ECU.

Code Meaning Possible repair steps

3281 yellow Sensor supply voltage 1 too low Battery voltage insufficient, fault in wiring harness, electrical malfunction in connected sensors or in ECU. Check battery voltage, check wiring for correct sensor power supply, check ECU, replace ECU.

3283 yellow Sensor supply voltage 2 too high

3284 yellow Sensor supply voltage 2 too low

3285 yellow Sensor supply voltage 3 too high

3286 yellow Sensor supply voltage 3 too low Battery voltage too high, fault in wiring harness, electrical malfunction in connected sensors or in ECU. Check battery voltage, check wiring for correct sensor power supply, check ECU, replace ECU. Battery voltage insufficient, fault in wiring harness, electrical malfunction in connected sensors or in ECU. Check battery voltage, check wiring for correct sensor power supply, check ECU, replace ECU. Battery voltage too high, fault in wiring harness, electrical malfunction in connected sensors or in ECU. Check battery voltage, check wiring for correct sensor power supply, check ECU, replace ECU. Battery voltage insufficient, fault in wiring harness, electrical malfunction in connected sensors or in ECU. Check battery voltage, check wiring for correct sensor power supply, check ECU, replace ECU.

3290 yellow Turbo monitoring signal not plausible 3315 yellow 3316 yellow 3317 yellow 3318 yellow Minimum number of injection not reached

3363 yellow Ambient air pressure sensor – signal not plausible 3856 yellow Coolant temperature does not rise as expected Inform CNH Service.

Shut off engine Inform CNH Service.

Inform CNH Service.

Check coolant sensor.