Error codes and their possible causes for ICD AHF, ACV (Solution)

Error codes and their causes for the AHF and ACV engines.



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: 1044
Control unit incorrectly programmed.

Possible causes:
Invalid control unit coding.



Error code: 1117
Load signal for generator terminal DF: implausible signal.

Possible causes:
Generator malfunction.
Voltage regulator faulty.
Line interruption.



Error code: 1193.
Relay for low heating power - J359: Short circuit to positive.

Possible causes:
Line interruption.
Short circuit to positive.
Relay for low heating power - J359.
defective



1194
Relay for high heating power - J360, short circuit to positive.

Possible causes:
Line interruption.
Short circuit to positive.
Relay for high heating power - J360 is defective.



Error code: 1283
Intake manifold flap motor V157 - Short circuit to ground/open circuit.

Possible causes:
Line interruption.
Intake manifold flap motor defective.

Short circuit after positive terminal.

Possible causes:
Short circuit to positive.

defective

Possible causes:
Check valve defective.



Error code: 16485

Air mass flow meter G70: Implausible signal.

Possible causes:
G70 malfunction.
Line interruption, short circuit to ground.



Error code: 16500.
Coolant temperature sensor G62: Implausible signal.

Possible causes.
G62 fault.



Error code: 16705.
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 at G28 or... Base plate.



Error code: 16706
no signal

Possible causes.
Line interruption or... Short circuit.
G28 error.



Error code: 16885.
Vehicle speed signal: implausible signal.

Possible causes.
No signal from the vehicle speed sensor (G22).



Error code: 16955.
Brake light switch - implausible signal.

Possible causes.
Brake light switch (F) defective.
Brake pedal switch (F47) defective.



Error code: 16989.
Control unit J248 is defective.



Error code: 17552.
Air mass flow meter G70: Disconnection/short circuit to ground.

Possible causes:
G70 malfunction.
Line interruption or... Short circuit to ground.



Error code: 17553
Air mass flow meter G70, short circuit to positive.

Possible causes:
Short circuit to positive _ G70 defective.
Line interruption or... Short circuit to positive.



Error code: 17554.
Air mass flow meter G70, power supply voltage.

Possible causes:
Operating voltage too high or too low.
Line interruption.



Error code: 17563.
MAP sensor G71, short circuit to positive.

Possible causes:
Short circuit to positive.
G71 malfunction.



Error code: 17564.
Intake manifold pressure sensor G71: Open circuit/short circuit to ground.

Possible causes:
G71 malfunction.
Line interruption or... Short circuit to ground.



Error code: 17565.
Sensor for intake manifold pressure G71, supply voltage.

Possible causes:
G71 malfunction.
Line interruption or... Short circuit.



Error code: 17568
Intake air temperature sensor G72 - short circuit to ground.

Possible causes:
G72 is defective.
The wire has a short circuit to ground.



Error code: 17569.
Intake air temperature sensor G72 - open circuit/short circuit after positive voltage.

Possible causes:
G72 is defective.
Line interruption or... Short circuit to positive.



Error code: 17570
Fuel temperature sensor G81, short circuit to ground.

Possible causes:
G81 error.
The wire has a short circuit to ground.



Error code: 17571.
Fuel temperature sensor G81: Open circuit/short circuit after positive terminal.

Possible causes:
G81 error.
The wire shorted to the positive terminal.
Line interruption.



Error code: 17653.
Needle feed motor, G80, short circuit to ground.

Possible causes:
G80 failure.
The wire has a short circuit to ground.



Error code: 17654.
"G80 needle advance - implausible signal."

Possible causes:
G80 failure.
Fuel injection line to the fuel injector.
Needle drive mechanism not functioning correctly.
Fuel shortage.
Air in the fuel system.



Error code: 17655.
Needle feed motor, G80 function, interruption/short circuit after positive terminal.

Possible causes:
G80 failure.
The wire shorted to the positive terminal.
Line interruption.



Error code: 17656.
Injection start control, regulation difference.

Possible causes:
Valve for injection start (N108)).
defective
Needle feed mechanism (G80) malfunction.
Fuel tank emptied.
Fuel supply not working correctly.
Fuel shortage.
Funding start not OK.



Error code: 17659.
Fuel injection timing valve N108 - short circuit to positive.

Possible causes:
The wire shorted to the positive terminal.



Error code: 17660.
Fuel injection start valve N108 - open circuit/short to ground.

Possible causes:
Line interruption.
Fuel injection timing valve defective.
Short circuit to ground.



Error code: 17663.
Coolant temperature sensor G62, short circuit to ground.

Possible causes:
G62 fault.
The wire has a short circuit to ground.



Error code: 17664.
Coolant temperature sensor G62 - open circuit/short circuit after the positive terminal.

Possible causes:
G62 fault.
Line interruption or... The wire shorted to the positive terminal.



Error code: 17762.
Valve for slide gate travel G149, electric. Circuit error.

Possible causes:
Electrical fault in the circuit. Fuel injection pump defective.
Line interruption or... Short circuit.



Error code: 17795.
Control unit defective.

Possible causes:
Control unit internally defective.



Error code: 17810
Exhaust gas recirculation (EGR) valve, short circuit to positive.

Possible causes:
Short circuit to positive.



Error code: 17849.
Exhaust gas recirculation (EGR) valve - short circuit to ground/open circuit.

Possible causes:
Line interruption.
Exhaust gas recirculation (EGR) valve malfunction.
Short circuit to ground.



Error code: 17911
Load signal from generator terminal DF: implausible signal.

Possible causes:
Generator malfunction.
Voltage regulator faulty.
Line interruption.



Error code: 17945.
Fuel shut-off valve N109 malfunction.

Possible causes:
N109 defective, leaking, or jammed.



Error code: 17946.
Fuel shut-off valve N109 - open circuit/short to ground.

Possible causes:
N109 is defective.
Line interruption or... Short circuit to ground.



Error code: 17948.
Vehicle speed signal, signal too high.

Possible causes:
Speed exceeding 260 km/h.
Control panel insert defective.



Error code: 17954.
Wastegate control valve N75 - short circuit to positive.

Possible causes:
Short circuit to positive.



Error code: 17957.
Wastegate control valve (N75) - open circuit/short circuit to ground.

Possible causes:
Line interruption.
Solenoid valve defective.
Short circuit to ground.



Error code: 17964.
Boost pressure regulation: Limit exceeded.

Possible causes:
Faulty wastegate control valve (N75), leaky hose connections.
Turbocharger failure.
Air leak between turbocharger and engine (charge air path).



Error code: 17965
Boost pressure regulation: Limit exceeded.

Possible causes:
Hose connections reversed, not properly connected, leaking.



Error code: 17969.
Set Point N146, Control Difference.


Possible causes:
Fuel injection pump failure.
Line interruption or... Short circuit.



Error code: 17970
Quantity setting N146, upper limit value.

Possible causes:
Quantity adjuster (N146) defective/blocked.
Upper limit reached.



Error code: 17971
Quantity setting N146, lower limit value.

Possible causes:
Quantity adjuster (N146) defective/blocked.
Lower price limit reached.



Error code: 17977
Switch for GRA E45: Implausible signal.

Possible causes:
E45 malfunction.
Line interruption or... Short circuit.



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: 18008
Power supply, circuit 15: Voltage too low.

Possible causes:
No voltage detected when ignition is turned on (terminal 15).



Error code: 18009
Relay for voltage supply, terminal 30, model J317.

Possible causes:
Relay for power supply, terminal 30 (J317) is defective.
Relay intermittently fails.



Error code: 18020
Engine control unit incorrectly programmed.

Possible causes:
Invalid control unit coding.



Error code: 18026
Relay for glow plugs, J52, short circuit to positive.

Possible causes:
Short circuit on the positive wire after J52, defect.



Error code: 18027
J52 glow plug relay - open circuit/short circuit to ground.

Possible causes:
Line interruption or... Short circuit to ground.
J52 malfunction.



Error code: 18034
Data bus fault: Missing message from the transmission control unit.

Possible causes:
Errors in the data lines to the transmission control module (TCM).



Error code: 18039
Accelerator pedal position sensor (G79) signal too high.

Possible causes:
G79 is defective.



Error code: 18040
Throttle position sensor (G79) supply voltage.

Possible causes:
Operating voltage too high or too low.
Line interruption.



Error code: 18044
Data bus error: Missing message from the airbag control unit.

Possible causes:
Errors in the data lines to the airbag control unit.



Error code: 18047
Accelerator pedal position sensor 1/2: Implausible signal from G79 + G185.

Possible causes:
G79 is defective.



18048
Control unit J248 is defective.

Possible causes:
Control unit internally defective.



Error code: 18062
Please read the error memory of the instrument cluster.

Possible causes.
Faulty oil level/temperature sensor.



Error code: 18065
Air conditioning unit, entrance/exit: Short circuit to positive terminal.

Possible causes:
Short circuit in the cable connection.



Error code: 19458.
Kick-down switch F8: implausible signal.

Possible causes:
G79 is defective.



Error code: 19459.
Relay for low heating power, J359, short circuit to positive.

Possible causes:
Line interruption.
Short circuit to positive.
Relay for low heating power, model J359, is defective.



Error code: 19461.
Relay for high heating power, J360, short circuit to positive.

Possible causes:
Line interruption.
Short circuit to positive.
Relay for low heating power, model J360, is defective.



Error code: 19560
Intake manifold control valve N239 - short circuit to positive.

Possible causes:
Short circuit to positive.



Error code: 19561
Vacuum control valve for throttle valve N239 - Short circuit to ground/open circuit.

Possible causes:
Line interruption.
Faulty vacuum control valve for the throttle valve.



Error code: 65535
Please provide the text you would like me to translate from German to English. Control unit J248 is defective.