MKB AMF Error Codes: Causes and Effects (Solution)

Error codes, their causes, and their effects for the AMF MKB, ANY.


Error code: 515
Hall sensor G40, no signal.

Possible causes:
Donor incorrectly attached.
Gap dimension not correct.
G40 failure.
Line interruption or short circuit to ground.

Possible impacts:
longer engine start time.

Signal out of tolerance.

Possible causes:
Hub with damaged or loose axle.

Possible impacts:
Engine won't start.
Engine stopped.



Error code: 671.
Switch for GRA E45, undefined switch state.

Possible causes:
E45 fault.
Power outage or short circuit.

Possible impacts:
No GRA function.



Error code: 741.

Brake pedal monitoring: implausible signal.

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

Possible impacts:
Preheating lamp is blinking.
Brake light defective.



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

Possible causes:
Generator failure.
Voltage regulator faulty.
Power outage.

Possible impacts:
Engine preheating without function.



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

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

Possible impacts:
Engine preheating without function.



1194
Relay for high heating power - J360: Short circuit to positive.

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

Possible impacts:
Engine preheating without function.



Error code: 1282
Shift valve for throttle control flap N239 - Open circuit or short circuit to ground.

Possible causes:
Power outage.
N239 is defective.

Possible impacts:
Severe engine shutdown.

Short circuit to positive.

Possible causes:
Short circuit to positive.

Possible impacts:
Severe engine shutdown.



Error code: 16485.
Air mass sensor G70: Implausible signal.

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

Possible effects:
reduced performance.
Black smoke.



Error code: 16685.
Misfire detected in cylinder 1.

Possible causes:
No combustion in cylinder 1.
no compression pressure.

Possible effects:
reduced performance.
Uneven engine running.
increased emission levels.


Error code: 16686.
Misfire detected in cylinder 2.

Possible causes:
No combustion in cylinder 2.
no compression pressure.

Possible effects:
reduced performance.
Uneven engine running.
increased emission levels.



Error code: 16687
Misfire detected in cylinder 3.

Possible causes:
No combustion in cylinder 3.
no compression pressure.

Possible effects:
reduced performance.
Uneven engine running.
increased emission levels.



Error code: 16705
Crankshaft speed sensor G28: Implausible signal.

Possible causes:
G28 error.
G28 loose.
Crankshaft sprocket loose.
Metal shavings on the G28 or mounting base.
Power outage or short circuit.

Possible effects:
Engine may stall.
Uneven engine running.
Check light for preheating is blinking.
increased emission levels.
No indication on the tachometer.


Error code: 16706.
Crankshaft speed sensor G28: No signal.

Possible causes.
Power outage or short circuit.
G28 error.

Possible effects:
Engine won't start.
Engine stalls.
Check light for preheating is blinking.
No indication on the tachometer.



Error code: 16725
Crankshaft position sensor G40 - implausible signal.

Possible causes:
G40 failure.
Donor incorrectly positioned or not properly secured.
Clearance between the distributor and the camshaft sprocket is not within specification.
Line interruption or short circuit to ground.
Hub with eccentric cam twisted and loose.

Possible effects:
longer engine start time.
Engine won't start.
Engine stalls.


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

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

Possible effects:
Speedometer error.
GRA without function.
Air conditioning not working.
The vehicle jerks when shifting gears.



Error code: 16944.
Power supply, implausible signal.

Possible causes:
Diesel injection relay (J322) is defective.
Relay is (sporadically) failing.

Possible effects:
Engine won't start.
Driving behavior defects up to engine shutdown.



Error code: 16946.
Power supply signal too low.

Possible causes:
Power supply below 4V.



Error code: 16947.
Power supply voltage too high.

Possible causes:
Power supply exceeding 20 V.



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

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

Possible effects:
Check light for preheating is blinking.
Brake lights not working.



Error code: 16989
Control unit J248 is defective.

Possible effects:
Engine shutdown.
Driving behavior deficiencies.



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

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

Possible effects:
reduced performance.
Black smoke.



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

Possible causes:
Short circuit to positive _ G70 defective.
Power outage or short circuit after the positive terminal.

Possible effects:
reduced performance.
Black smoke.



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

Possible causes:
Operating voltage too high or too low.
Power outage.

Possible effects:
reduced performance.
Black smoke.



Error code: 17563.
Manifold pressure sensor G71: Short circuit to positive.

Possible causes:
Short circuit to positive.
G71 malfunction.

Possible effects:
reduced performance.


Error code: 17564.
"MAP sensor G71 - Short circuit to ground / Open circuit."

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

Possible effects:
reduced performance.
increased emission levels.



Error code: 17565.
Pressure sensor for intake manifold, G71. Power supply voltage.

Possible causes:
G71 malfunction.
Power outage or short circuit.

Possible effects:
reduced performance.
increased emission levels.



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

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

Possible effects:
defaults to a value of 135.9 °C.



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

Possible causes:
G72 failure.
Power outage or short circuit after the positive terminal.

Possible effects:
defaults to a value of 135.9 °C.



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

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

Possible effects:
increased emission levels.


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

Possible causes:
G81 failure.
The wire is short-circuited to the positive terminal.
Power outage.

Possible effects:
increased emission levels.



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

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

Possible effects:
Black smoke during startup.
It is always preheated for approximately 20 seconds.



Error code: 17664.
Coolant temperature sensor G62 - Open circuit/Short circuit to positive.

Possible causes:
G62 failure.
Line interruption or short circuit to the positive terminal.

Possible effects:
Black smoke during startup.
It is always preheated for approximately 20 seconds.



Error code: 17668.
Valve for pump/nozzle, cylinder 1, N240 - implausible signal.

Possible causes:
Valve for pump/nozzle cannot be adjusted.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17669.
Valve for pump/nozzle, cylinder 1, N240 - control limit exceeded.

Possible causes:
Time limits are too high.
Transition resistances.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17670.
Valve for pump/nozzle, cylinder 1, N240 - control limit exceeded.

Possible causes:
Timings are too tight.
Fuel shortage.
Air in the fuel system.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17671.
Valve for pump/nozzle, cylinder 2, N241 - implausible signal.

Possible causes:
Valve for pump/nozzle cannot be adjusted.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17672.
Valve for pump/nozzle, cylinder 2, N241 - control limit exceeded.

Possible causes:
Time limits are too high.
Transition resistances.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17673.
Valve for pump/nozzle, cylinder 2, N241: Control limit exceeded.

Possible causes:
Timings are too tight.
Fuel shortage.
Air in the fuel system.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17674.
Valve for pump/nozzle, cylinder 3, N242 - implausible signal.

Possible causes:
Valve for pump/nozzle cannot be adjusted.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17675.
Valve for pump/nozzle, cylinder 3, N242 - control limit exceeded.

Possible causes:
Time limits are too high.
Transition resistances.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17676.
Valve for pump/nozzle, cylinder 3, N242: Control limit exceeded.

Possible causes:
Timings are too tight.
Fuel shortage.
Air in the fuel system.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 17795.
Control unit defective.

Possible causes:
Internal defect in the control unit.

Possible effects:
Driving behavior deficiencies.
Engine shutdown.



Error code: 17810.
Exhaust gas recirculation valve N18 - short circuit to positive.

Possible causes:
Short circuit to positive.

Possible effects:
No exhaust gas recirculation.



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

Possible causes:
Power outage.
Exhaust gas recirculation (EGR) valve failure.
Short circuit to ground.

Possible consequences (in the event of a mass resignation):
Excessive exhaust gas recirculation.
reduced performance.
Black smoke.



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

Possible causes:
Generator failure.
Voltage regulator faulty.
Power outage.

Possible effects:
Auxiliary heating system not working.



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

Possible causes:
Control panel insert defective.

Possible effects:
Faulty speed display.
GRA without function.
Air conditioning not working.
The vehicle jerks when shifting gears.



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

Possible causes:
Short circuit to positive.

Possible effects:
reduced performance.
Boost pressure too low.



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

Possible causes:
Power outage.
Solenoid valve defective.
Short circuit to ground.

Possible consequences (in the event of a mass resignation):
reduced performance.
Boost pressure too low.



Error code: 17958.
Boost pressure regulation differential.

Possible causes:
Boost pressure control valve (N75) defective.
Hoses connected incorrectly, not properly attached, leaking.
Air leak between the turbocharger and the engine (charge air path).
Turbocharger failure.

Possible effects:
reduced performance.



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

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

Possible effects:
reduced performance.
Boost pressure too low.



Error code: 17965.
Boost pressure regulation: Limit exceeded.

Possible causes:
Hoses connected incorrectly, not properly attached, leaking.

Possible effects:
reduced performance.
Boost pressure too high.



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

Possible causes:
E45 fault.
Power outage or short circuit.

Possible effects:
GRA without function.



Error code: 17978.
Engine control unit locked.

Possible causes:
Unauthorized start attempt.
Key.
Manipulation attempt.
Short circuit.
Communication line.
incorrect encoding.
Error in the system.
Drive-away protection.
Immobilizer control unit defective/missing.
Engine control unit replaced and not adapted to the immobilizer system.

Possible effects:
The engine starts and immediately shuts off.



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

Possible causes:
No voltage detected at ignition terminal (terminal 15).

Possible effects:
Driving behavior deficiencies.
Engine shutdown.



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

Possible causes:
Diesel injection relay (J322) is defective.
Relay is (sporadically) failing.

Possible effects:
Driving behavior deficiencies.
Engine shutdown.
Engine won't start.



Error code: 18017.
Crash shutdown triggered.

Possible causes:
Airbag deployed.
Actuator diagnostics were performed.



Error code: 18020.
Engine control unit incorrectly programmed.

Possible causes:
Invalid ECU coding.

Possible effects:
Check light for preheating is blinking.



Error code: 18024.
Glow plug preheating indicator light - short circuit to positive terminal.

Possible causes:
Short circuit to positive.

Possible effects:
K29, function unknown.



Error code: 18025.
Glow plug preheating indicator light - K29 - Open circuit/short circuit to ground.

Possible causes:
Power outage.
Light bulb broken.
Short circuit to ground.

Possible effects:
K29, function unknown.
K29 is constantly illuminated (during mass closure).



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

Possible causes:
Short circuit on the positive terminal, J52 defective.

Possible effects:
No preheating required.
Poor cold start performance.
K29 is blinking.



Error code: 18027
Relay for glow plugs, J52: Open circuit/short circuit to ground.

Possible causes:
Line interruption or short circuit to ground.
J52 error.

Possible effects:
No preheating required.
Poor cold start performance.
K29 is blinking.



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).

Possible effects:
Driving behavior defects.
Load transfer impact.
Shift truck.



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

Possible causes:
G79 malfunction.

Possible effects:
increased idle speed.



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

Possible causes:
Operating voltage too high or too low.
Power outage.

Possible effects:
increased idle speed.
K29 is blinking.



Error code: 18047
Sensor 1/2 for accelerator pedal position, G79, implausible signal.

Possible causes:
G79 malfunction.

Possible effects:
increased idle speed.



Error code: 18048
Control unit J248 is defective.

Possible causes:
Internal defect in the control unit.

Possible effects:
Driving behavior deficiencies.
Engine shutdown.



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

Possible causes.
Oil level/temperature sensor defective.

Possible effects:
Oil level warning light is illuminated.



Error code: 18071.
Controlling valves for pump/nozzle: Short circuit to positive.

Possible causes:
Short circuit to positive in the motor wiring harness.
Internal short circuit after positive voltage application in the engine control unit.

Possible effects:
Engine stalls.
The engine is misfiring.


Error code: 18072.
Control of valves for pump/nozzle: electrical fault in the circuit.

Possible causes:
Wiring harness fault, either a broken wire or a short circuit to ground, in the motor cable harness.

Possible effects:
Engine stalls.
The engine is misfiring.



Error code: 18073.
Control of valves for pump/nozzle due to mechanical failure.

Possible causes:
Pump-nozzle unit mechanically defective.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 18074.
Valve for pump/nozzle, cylinder 1, N240 - electrical fault in the circuit.

Possible causes:
Wiring harness fault, either a broken wire or a short circuit to ground, in the motor cable harness.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 18075.
Valve for pump/nozzle, cylinder 2, N241 - electrical fault in the circuit.

Possible causes:
Wiring harness fault, either a broken wire or a short circuit to ground, in the motor cable harness.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



Error code: 18076
Valve for pump/nozzle, cylinder 3, N242 - electrical fault in the circuit.

Possible causes:
Wiring harness fault, either a broken wire or a short circuit to ground, in the motor cable harness.

Possible effects:
Driving behavior deficiencies.
Uneven engine running.
reduced performance.
increased emission levels.



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

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

Possible effects:
Auxiliary heating system not working.



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

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

Possible effects:
Auxiliary heating system not working.



Error code: 19463.
Crankshaft position sensor G40 - No signal.

Possible causes:
G40 failure.
Donor incorrectly positioned or not properly secured.
Clearance between the distributor and the camshaft sprocket is not within specification.
Line interruption or short circuit to ground.

Possible effects:
longer engine start time.


Error code: 19464.
Camshaft position sensor G40 signal out of range.

Possible causes:
Hub with toothed wheel on camshaft.
twisted, loose

Possible effects:
Engine won't start.
Engine stalls.



Error code: 19560.
Vacuum switching valve for throttle control, N239 - short circuit to positive.

Possible causes:
Short circuit to positive.

Possible effects:
Engine knock.



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

Possible causes:
Power outage.
Faulty vacuum control valve for the throttle valve.

Possible effects:
Engine knock.