Error codes and their causes for the AHD engine.
Error code: 513.
Crankshaft speed sensor G28: Implausible signal.
Possible causes:
G28 error.
Distance between the crankshaft position sensor and the toothed wheel is too large.
Metal shavings on the G28 or mounting base.
no signal
Possible causes.
Power outage or short circuit.
G28 error.
Error code: 519.
"Intake manifold pressure sensor: implausible signal."
Possible causes:
Control unit defective.
Hose connections reversed, not properly connected, leaking.
MAP sensor - G71 - Short circuit to positive.
Possible causes:
G71 module defective in control unit J248.
Interruption/Short circuit.
Possible causes:
G71 module defective in control unit J248.
Power supply.
Possible causes:
G71 module defective in control unit J248.
Error code: 522
Coolant temperature sensor: implausible signal.
Possible causes:
G62 fault.
faulty coolant temperature sensor.
Coolant temperature sensor G62, short circuit to ground.
Possible causes:
G62 fault.
The wire has a short circuit to ground.
Interruption/Short circuit after positive voltage.
Possible causes:
Line interruption or... The wire shorted to the positive terminal.
Error code: 527
Intake air temperature sensor G72 - short circuit to ground.
Possible causes:
G72 is defective.
The wire has a short circuit to ground.
Interruption/Short circuit after positive voltage.
Possible causes:
G72 is defective.
Line interruption or... Short circuit to positive.
Error code: 528.
Level sensor F96: Ground fault/short circuit.
Possible causes:
F96 malfunction.
Line interruption or... Short circuit to ground.
Error code: 532
Power supply, implausible signal.
Possible causes:
Voltage applied when ignition is switched on (terminal 15 not present).
Relay for power supply, terminal 30 (J317) is defective.
Error code: 539.
Fuel temperature sensor G81, short circuit to ground.
Possible causes:
G81 error.
The wire has a short circuit to ground.
Interruption/Short circuit after positive voltage.
Possible causes:
G81 error.
Line interruption or... Short circuit to positive.
Error code: 542.
Needle feed motor G80: Overvoltage/short circuit after positive voltage.
Possible causes:
G80 failure.
Line interruption or... Short circuit.
Implausible signal.
Possible causes:
G80 failure.
Fuel injector line to cylinder 5. Cylinder not in working order.
Fuel shortage.
Air in the fuel system.
Error code: 550
Injection start control, pressure differential.
Possible causes:
Injection timing valve (N108)) defective.
Needle feed mechanism (G80) malfunction.
Fuel tank emptied.
Fuel supply not working correctly.
Fuel shortage.
Air in the fuel system.
Funding start not OK.
Error code: 553.
Air mass flow meter G70: Implausible signal.
Possible causes:
G70 malfunction.
Short circuit to ground.
Possible causes:
Line interruption or... Short circuit to ground.
Short circuit to positive.
Possible causes:
G70 malfunction.
Line interruption or... Short circuit to positive.
Power supply.
Possible causes:
Operating voltage too high or too low.
Line interruption.
Error code: 575.
Intake manifold pressure, control differential.
Possible causes:
Faulty boost pressure control valve (N75).
Hose connections reversed, not properly connected, leaking.
Air leak between turbocharger and engine (charge air path).
Turbocharger failure.
Error code: 625.
Speed signal, implausible signal.
Possible causes:
No signal from the sensor for the speedometer (G21 or...). G22)
Vehicle speed signal - signal too high.
Possible causes:
Speed exceeding 260 km/h.
Control panel insert defective.
Incorrect coding of switchboard insert.
Error code: 626
Glow plug preheating indicator light - K29: Open circuit/short circuit to ground.
Possible causes:
Line interruption.
Light bulb defective.
Short circuit to ground.
Short circuit to positive.
Possible causes:
Short circuit to positive.
Error code: 668.
Board voltage, terminal 30, implausible signal.
Possible causes:
Relay for power supply.
Terminal 30 (J317) is defective.
Relay intermittently fails.
Signal too small.
Possible causes:
Relay for power supply.
Terminal 30 (J317) is defective.
Relay intermittently fails.
Error code: 671.
Switch for GRA-E45: Undefined switch state.
Possible causes:
E45 malfunction.
Line interruption or... Short circuit.
Error code: 741
Brake pedal monitoring: implausible signal.
Possible causes:
Brake light switch (F) defective.
Brake pedal switch (F47) defective.
Error code: 765.
Donor for slide travel G149.
Possible causes:
Fuel injection pump failure.
Power outage / Alternatively, Short circuit.
Error code: 777
Accelerator pedal position sensor G79: Implausible signal.
Possible causes.
G79 is defective.
G79 is incorrectly configured.
Short circuit to positive.
Possible causes.
G79 is defective.
The wire shorted to the positive terminal.
Power supply.
Possible causes.
Line interruption or... Short circuit.
Operating voltage too high or too low.
Error code: 1044
Control unit incorrectly programmed.
Possible causes:
Invalid control unit coding.
Error code: 1050
Glow plug monitoring: No display indication.
Possible causes:
Line interruption or... Short circuit to ground.
Fuse (S125) defective.
Relay contact open.
Error code: 1117
Load signal for generator terminal DF: implausible signal.
Possible causes:
Generator malfunction.
Voltage regulator faulty.
Line interruption.
1237
Fuel shut-off valve - N109, mechanical fault.
Possible causes:
N109 defective, leaking, or jammed.
Short circuit to ground.
Possible causes:
N109 is defective.
Line interruption or... Short circuit to ground.
Error code: 1242
Power amplifier modules in the control unit: Open circuit/short circuit after the positive terminal.
Possible causes:
All components that are activated by applying a positive voltage during actuator diagnostics.
Implausible signal.
Possible causes:
Exhaust gas recirculation (EGR) valve defective.
1262
Wastegate control valve - N75: Open circuit/short circuit to ground.
Possible causes:
Line interruption.
Solenoid valve defective.
Short circuit to ground.
Short circuit to positive.
Possible causes:
Short circuit to positive.
1265
Exhaust gas recirculation (EGR) valve, N18: Open circuit/short circuit to ground.
Possible causes:
Line interruption.
Exhaust gas recirculation (EGR) valve malfunction.
Short circuit to ground.
Short circuit after positive terminal.
Possible causes:
Short circuit to positive.
1266
Relay for glow plugs, J52: Short circuit/ground fault.
Possible causes:
Line interruption.
Defective glow plug relay.
Short circuit to ground.
Short circuit to positive.
Possible causes:
Short circuit to positive.
Defective glow plug relay.
Error code: 1268.
Set point N146, control difference.
Possible causes:
Fuel injection pump failure.
Line interruption or... Short circuit.
lower strike price
Possible causes:
Quantity setting device misadjusted.
Quantity setting device blocked by dirt.
upper limit
Possible causes:
Quantity setting device misadjusted.
Quantity setting device blocked by dirt.
Error code: 1269.
Ventil for injection start N108 - interruption/short circuit to ground.
Possible causes:
Short circuit to ground.
Short circuit to ground.
Short circuit to positive.
Possible causes:
Short circuit to positive.
Error code: 1575.
Regulation disabled, control difference.
Possible causes:
Auxiliary drive overloaded.
Error code: 17978
Engine control unit locked.
Possible causes:
Attempted start with unauthorized access.
Key.
Attempted manipulation.
Short circuit.
Communication line.
incorrect encoding.
Error in the system for...
Drive-away protection.
Immobilizer control unit.
defective/missing
Engine control unit replaced, but not activated.
Drive-away protection adjusted.
Error code: 65535
Please provide the text you would like me to translate from German to English. Control unit J248 is defective. Tschüss
Michael II |
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