Engine Diagnostic Chart (cont.) DTC SPN
FMI
Trouble Code Type
Error Description
523722
8
PWM Signal Error (DEF)
DEF supply module PWM signal; period outside valid range; Detect faulty PWM signal from supply module
523741
14
CAN Error
Engine shutoff request through CAN
523766
9
Timeout Error (CAN)
Timeout Error of CAN-Receive-Frame Active TSC1AE
523767
9
Timeout Error (CAN)
Timeout Error of CAN-Receive-Frame Passive TSC1AE
523768
9
Timeout Error (CAN)
Timeout Error of CAN-Receive-Frame Active TSC1AR
523769
9
Timeout Error (CAN)
Timeout Error of CAN-Receive-Frame Passive TSC1AR
523776
9
Timeout Error
Fuel Metering Unit: current drain measured by ECU is above the target range; short circuit to battery high side; short circuit to battery low side
523777
9
Passive Timeout Error
Fuel Metering Unit: current drain measured by ECU is above the target range; short circuit to ground high side; short circuit to ground low side
523778
9
Timeout Error (CAN)
Timeout Error of CAN-Receive-Frame TSC1TR
523779
9
Timeout Error (CAN)
Passive Timeout Error of CAN-Receive-Frame TSC1TR
523895
13
Injector Adjustment Error
Engine Shut Off request from supervisory monitoring function
523896
13
Injector Adjustment Error
Timeout Error; limp mode activated
523897
13
Injector Adjustment Error
Passive Timeout Error; limp mode activated
523898
13
Injector Adjustment Error
Missing or wrong injector adjustment value programming (IMA) injector 1
523900
13
Fuel Injector Error
Check of missing injector adjustment value programming (IMA) injector 6 (in firing order)
523906
3
Fuel Pump Error
ECU detects short cut to battery in fuel feed pump circuit; electric fuel pre-supply pump short circuit to battery
523906
4
Fuel Pump Error
ECU detects short cut to ground in fuel feed pump circuit; electric fuel pre-supply pump short circuit to ground
523906
5
Fuel Pump Error
ECU detect open load on the electric fuel feed pump output: electric fuel pre-supply pump open load, cable break
523906
12
Fuel Pump Error
ECU detects to high temperature in powerstage of fuel pump circuit; electric fuel pre-supply pump powerstage over temperature
50950233/G0221
99
