Error codes and their causes, as well as their impact on the ASZ, AXR, and ATD motors.
Error Code: 16485
Air Mass Meter G70 - Unrealistic Signal
Possible Causes:
G70 malfunction
Circuit interruption or short circuit to ground
Possible Impacts:
reduced performance
Black smoke
Error Code: 16685
Misfire detected on cylinder 1
Possible Causes:
no combustion in cylinder 1
no compression pressure
Possible Impacts:
reduced performance
Irregular engine running
increased emissions values
Error Code: 16686
Misfire detected on cylinder 2
Possible Causes:
no combustion in cylinder 2
no compression pressure
Possible Impacts:
reduced performance
Irregular engine running
increased emissions values
Error Code: 16687
Engine misfire detected on cylinder 3
Possible Causes:
no combustion in cylinder 3
no compression pressure
Possible Impacts:
reduced performance
Irregular engine running
increased emissions values
Error Code: 16688
Engine misfire detected on cylinder 4
Possible Causes:
no combustion in cylinder 4
no compression pressure
Possible Impacts:
reduced performance
Irregular engine running
increased emissions values
Error Code: 16705
G-code for motor speed G28 impossible signal
Possible Causes:
G28 error
G28 loose
Cam sprocket loose on crank arm
Metal shavings at the G28 or. Base plate
Circuit interruption or Short circuit
Possible Impacts:
Motor can stall
Irregular engine running
Check light for pre-heating time is blinking
increased emissions values
No indication on the tachometer
Error Code: 16706
G-code for motor speed G28 no signal
Possible Causes
Circuit interruption or Short circuit
G28 error
Possible Impacts:
Motor won't start
Engine stalls
Check light for pre-heating time is blinking
No indication on the tachometer
Error Code: 16725
Camshaft Position Sensor G40 - Unplausible Signal
Possible Causes:
G40 defective
The device is either incorrectly attached or not properly secured.
Spindle clearance between the donor and cam shaft gear is not acceptable.
Circuit interruption or Short circuit to ground
Cam follower misaligned with crank shaft, loose.
Possible Impacts:
longer engine start-up time
Engine won't start
Engine stalls
Error Code: 16885
Vehicle Speed Signal - Unplausible Signal
Possible Causes
No signal from the speedometer (G22) sensor.
G22 malfunction
Possible Impacts:
Error in the speedometer
GRA not working
Air conditioner not working
Vehicle jerks when shifting.
Error Code: 16944
Power supply: Implausible signal
Possible Causes:
Fuel injection system relay (J322) faulty
Relay is (occasionally) malfunctioning.
Possible Impacts:
Motor not starting
Driving behavior defects up to engine shutdown
Error Code: 16946
Voltage supply Signal too low
Possible Causes:
Power supply under 4 V
Error Code: 16947
Voltage supply Signal too high
Possible Causes:
Power supply: 20 V or higher
Error Code: 16955
Brake light switch - Unplausible signal
Possible Causes
Brake light switch (F) is faulty
Brake Pedal Switch (F47) - Defective
Possible Impacts:
Check light for pre-heating time is blinking
Brake lights not working
Error Code: 16989
Control unit J248 defective
Possible Impacts:
Engine Stop
Driving behavior deficiencies
Error Code: 17552
Airflow sensor G70 - Interruption/Short to ground
Possible Causes:
G70 malfunction
Circuit interruption or Short circuit to ground
Possible Impacts:
reduced performance
Black smoke
Error Code: 17553
Airflow sensor G70 Short circuit to positive (+)
Possible Causes:
Short circuit after + G70 failure
Circuit interruption or Short circuit after plus
Possible Impacts:
reduced performance
Black smoke
Error Code: 17554
Air Mass Meter G70 Power Supply Voltage
Possible Causes:
Operating voltage too high/too low
Circuit Interruption
Possible Impacts:
reduced performance
Black smoke
Error Code: 17563
Donor for suction tube pressure G71 Short circuit to positive.
Possible Causes:
Short circuit after plus
G71 defect
Possible Impacts:
reduced performance
Error Code: 17564
Donor for Suction Tube Pressure G71 Interruption/Short Circuit to Ground
Possible Causes:
G71 defect
Circuit interruption or Short circuit to ground
Possible Impacts:
reduced performance
increased emissions values
Error Code: 17565
Power supply for suction tube pressure G71
Possible Causes:
G71 defect
Circuit interruption or Short circuit
Possible Impacts:
reduced performance
increased emissions values
Error Code: 17568
Sender for suction pipe temperature G72 Short circuit to ground
Possible Causes:
G72 defect
Head has short circuit to ground.
Possible Impacts:
go to the specified value of 135.9 °C
Error Code: 17569
Donor for Suction Pipe Temperature G72 Interruption/Short Circuit to Positive
Possible Causes:
G72 defect
Circuit interruption or Short circuit after plus
Possible Impacts:
go to the specified value of 135.9 °C
Error Code: 17570
Fuel Temperature Sensor G81 Short to Ground
Possible Causes:
G81 defect
Head has short circuit to ground.
Possible Impacts:
increased emissions values
Error Code: 17571
Donor for Fuel Temperature Sensor G81 Open/Short to Positive
Possible Causes:
G81 defect
Lead short to positive
Circuit Interruption
Possible Impacts:
increased emissions values
Error Code: 17663
Faulty coolant temperature sensor G62 short to ground
Possible Causes:
G62 failure
Head has short circuit to ground.
Possible Impacts:
Black smoke at start
It is always preheated for approximately 20 seconds.
Error Code: 17664
Donor for Coolant Temperature G62 Interruption/Short Circuit after +
Possible Causes:
G62 failure
Circuit interruption or Lead short to positive
Possible Impacts:
Black smoke at start
It is always preheated for approximately 20 seconds.
Error Code: 17668
Valve for pump/nozzle, Cylinder 1, N240, Unplausible signal
Possible Causes:
Valve for pump/nozzle cannot be adjusted.
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17669
Valve for pump/nozzle, Cylinder 1, N240, Control limit exceeded
Possible Causes:
Working hours are too long.
Transition Resistors
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17670
Valve for pump/nozzle, Cylinder 1, N240, Control limit exceeded.
Possible Causes:
Working hours are too short.
Fuel shortage
Air in the fuel system
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17671
Valve for pump/nozzle, cylinder 2, N241, implausible signal
Possible Causes:
Valve for pump/nozzle cannot be adjusted.
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17672
Valve for pump/nozzle, Cylinder 2, N241, Control limit exceeded
Possible Causes:
Working hours are too long.
Transition Resistors
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17673
Valve for pump/nozzle, Cylinder 2, N241, Control limit exceeded.
Possible Causes:
Working hours are too short.
Fuel shortage
Air in the fuel system
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17674
Valve for pump/nozzle, cylinder 3, N242, implausible signal
Possible Causes:
Valve for pump/nozzle cannot be adjusted.
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17675
Valve for pump/nozzle, Cylinder 3, N242, Control limit exceeded
Possible Causes:
Working hours are too long.
Transition Resistors
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17676
Valve for pump/nozzle, Cylinder 3, N242, Control limit undershot.
Possible Causes:
Working hours are too short.
Fuel shortage
Air in the fuel system
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17677
Valve for pump/nozzle, cylinder 4, N243, implausible signal
Possible Causes:
Valve for pump/nozzle cannot be adjusted.
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17678
Valve for pump/nozzle, Cylinder 4, N243, Control limit exceeded
Possible Causes:
Working hours are too long.
Transition Resistors
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17679
Valve for pump/nozzle, Cylinder 4, N243, Control limit exceeded
Possible Causes:
Working hours are too short.
Fuel shortage
Air in the fuel system
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 17795
Control unit malfunction
Possible Causes:
Internal control unit malfunction
Possible Impacts:
Driving behavior deficiencies
Engine Stop
Error Code: 17810
Exhaust Gas Recirculation Valve N18 Short Circuit to Positive (+)
Possible Causes:
Short circuit after plus
Possible Impacts:
No exhaust gas recirculation
Error Code: 17845
Valve 2 for Exhaust Gas Recirculation N213 Short Circuit to Plus
Possible Causes:
Short circuit after plus
Possible Impacts:
No exhaust gas recirculation
Error Code: 17846
Valve 2 for Exhaust Gas Recirculation N213 - Interruption or Short Circuit to Ground
Possible Causes:
Short circuit to ground
Circuit interruption
Valve malfunction
Possible Consequences (in case of mass closure):
Excessive Exhaust Gas Recirculation
reduced performance
Black smoke
Error Code: 17849
Exhaust Gas Recirculation Valve N18 - Interruption/Short Circuit to Ground
Possible Causes:
Circuit Interruption
Exhaust gas recirculation (EGR) valve is faulty.
Short circuit to ground
Possible Consequences (in case of mass closure):
Excessive Exhaust Gas Recirculation
reduced performance
Black smoke
Error Code: 17910
Fuel pump relay J17 short to positive (+)
Possible Causes:
Short circuit after plus
J17 defect
Possible Impacts:
Engine Stop
Error Code: 17911
Generator terminal DF - Unplausible signal
Possible Causes:
Generator faulty
Voltage regulator failure
Circuit Interruption
Possible Impacts:
Additional heater not working
Error Code: 17932
Fuel pump relay J17, Open/Short to Ground
Possible Causes:
Circuit interruption or Short circuit to ground
J17 defect
Possible Impacts:
Engine Stop
Error Code: 17948
Vehicle Speed Signal: Signal too high
Possible Causes:
Control panel failure
Possible Impacts:
Faulty Speedometer
GRA not working
Air conditioner not working
Vehicle jerks when shifting.
Error Code: 17954
Magnet Valve, Charging Pressure Limiter, N75, Short Circuit to Positive (+)
Possible Causes:
Short circuit after plus
Possible Impacts:
reduced performance
Low loading pressure
Error Code: 17957
Magnet Valve, Charging Pressure Limiting, N75, Open/Short to Ground
Possible Causes:
Circuit Interruption
Magnet valve faulty
Short circuit to ground
Possible Consequences (in case of mass closure):
reduced performance
Low loading pressure
Error Code: 17958
Loading Pressure Rule Difference
Possible Causes:
Magnetic valve for pressure limiting (N75) is defective.
Incorrect hose connections, not attached, leaking
Leak between turbocharger and engine (intake duct)
Turbocharger failure
Possible Impacts:
reduced performance
Error Code: 17964
Loading pressure control, lower limit reached
Possible Causes:
Magnetic valve for pressure regulation (N75) is faulty, hose connections are leaking.
Turbocharger failure
Leak between turbocharger and engine (intake duct)
Possible Impacts:
reduced performance
Low loading pressure
Error Code: 17965
Loading pressure control: Control limit exceeded
Possible Causes:
Incorrect hose connections, not attached, leaking
Possible Impacts:
reduced performance
Loading pressure too high
Error Code: 17977
Switch for GRA E45 - Unplausible Signal
Possible Causes:
E45 defective
Circuit interruption or Short circuit
Possible Impacts:
GRA not working
Error Code: 17978
Engine control unit locked.
Possible Causes:
Attempt to start with unauthorized user
Key.
Attempt at manipulation
Short circuit of the
Communication Manager
Incorrect encoding
System errors for
Immobilizer
Immobilizer malfunction/missing
Engine control unit replaced, but not adjusted for the engine kill switch.
Possible Impacts:
Motor starts and immediately shuts down.
Error Code: 18008
Voltage Class 15, voltage too low
Possible Causes:
Voltage at ignition (terminal 15) is not present.
Possible Impacts:
Driving behavior deficiencies
Engine Stop
Error Code: 18009
Relay for Voltage-Supply Terminal 30 J317
Possible Causes:
Fuel injection system (J322) relay faulty
Relay is (occasionally) malfunctioning.
Possible Impacts:
Driving behavior deficiencies
Engine Stop
Motor does not start
Error Code: 18017
Crash shutdown initiated.
Possible Causes:
Airbag deployed.
Detailed examination of the affected area has been performed.
Error Code: 18020
Incorrectly coded engine control unit
Possible Causes:
invalid ECU coding
Possible Impacts:
Check light for pre-heating time is blinking
Error Code: 18024
Control lamp for pre-heating time K29 Short circuit after plus
Possible Causes:
Short circuit after plus
Possible Impacts:
K29 not working
Error Code: 18025
Control lamp for pre-glow time K29 Interruption/Short circuit to ground
Possible Causes:
Circuit Interruption
Light bulb is broken.
Short circuit to ground
Possible Impacts:
K29 not working
K29 is constantly lit up (when there is a mass closure).
Error Code: 18026
Relays for incandescent bulbs J52 Short circuit to positive (+)
Possible Causes:
Main circuit short-circuit after J52
Possible Impacts:
no preamble
Poor cold start behavior
K29 is blinking
18027
Relays for incandescent bulbs J52, open/short to ground
Possible Causes:
Circuit interruption or Short circuit to ground
J52 defect
Possible Impacts:
no preamble
Poor cold start behavior
K29 is blinking
Error Code: 18034
Data Bus Motor Missing Message from Gearbox Control Unit
Possible Causes:
Data line errors to the transmission control unit (TCU)
Possible Impacts:
Driving behavior flaws
Last change strike
Subtitle
Error Code: 18039
Gas pedal position sensor G79 signal too high
Possible Causes:
G79 failure
Possible Impacts:
increased idle speed
Error Code: 18040
Gas pedal position sensor G79 supply voltage
Possible Causes:
Operating voltage too high/too low
Circuit Interruption
Possible Impacts:
increased idle speed
K29 is blinking
Error Code: 18047
Provide 1/2 for Gas Pedal Position G79+G185 - Unplausible Signal
Possible Causes:
G79 failure
Possible Impacts:
increased idle speed
18048
Engine Control Unit J248 faulty
Possible Causes:
Internal control unit malfunction
Possible Impacts:
Driving behavior deficiencies
Engine Stop
Error Code: 18062
Please read the fault codes from the combined instrument.
Possible Causes
Oil level/temperature sensor malfunction
Possible Impacts:
Oil level warning light is on.
Error Code: 18065
Air Conditioner Input/Output Short to Positive
Possible Causes:
Short circuit in the conduit
Possible Impacts:
Reduced vehicle acceleration when the air conditioning is turned on
Error Code: 18067
Cooling fan control 1 Short circuit to positive (+)
Possible Causes:
Short circuit in the conduit
Error Code: 18071
Valve control for pump/nozzle: Short circuit to positive.
Possible Causes:
Short circuit after plus cable in the engine compartment
Internal short circuit after + voltage in the engine control unit.
Possible Impacts:
Engine stalls
Motor has malfunctions.
Error Code: 18072
Valve control for pump/nozzle, electrical fault in the circuit
Possible Causes:
Circuit interruption or Short circuit to ground in the engine cable harness
Possible Impacts:
Engine stalls
Motor has malfunctions.
Error Code: 18073
Valve control for pump/nozzle - mechanical failure
Possible Causes:
Pump-Nozzle Unit - Mechanical Failure
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 18074
Valve for pump/nozzle, cylinder 1, N240, electrical fault in the circuit.
Possible Causes:
Circuit interruption or Short circuit to ground in the engine cable harness
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 18075
Valve for pump/nozzle, cylinder 2, N241, electrical fault in the circuit
Possible Causes:
Circuit interruption or Short circuit to ground in the engine cable harness
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 18076
Valve for pump/nozzle, cylinder 3, N242, electrical fault in the circuit.
Possible Causes:
Circuit interruption or Short circuit to ground in the engine cable harness
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 18077
Valve for pump/nozzle, cylinder 4, N243, electrical fault in the circuit
Possible Causes:
Circuit interruption or Short circuit to ground in the engine cable harness
Possible Impacts:
Driving behavior deficiencies
Irregular engine running
reduced performance
increased emissions values
Error Code: 18080
Coolant fan control 1: Interruption/Short circuit to ground
Possible Causes:
Circuit interruption or Short circuit to ground
Error Code: 19458
Kick-Down-Switch F8: Unplausible signal
Possible Causes:
G79 failure
Possible Impacts:
Automatic switch point Gear faulty
Error Code: 19459
Relay for small heating J359 Short circuit to positive supply
Possible Causes:
Circuit Interruption
Short circuit after plus
Relay for small heating J359 is defective.
Possible Impacts:
Additional heater not working
Error Code: 19461
Relays for high heating power J360 Short circuit to positive supply
Possible Causes:
Circuit Interruption
Short circuit after plus
Relay for small heating J360 is defective.
Possible Impacts:
Additional heater not working
Error Code: 19463
Camshaft Position Sensor G40 No Signal
Possible Causes:
G40 defective
The device is either incorrectly attached or not properly secured.
Spindle clearance between the donor and cam shaft gear is not acceptable.
Circuit interruption or Short circuit to ground
Possible Impacts:
longer engine start-up time
Error Code: 19464
Camshaft Position Sensor G40 Signal Out of Tolerance
Possible Causes:
Cam follower on crankshaft
twisted, loose
Possible Impacts:
Engine won't start
Engine stalls
Error Code: 19558
Motor for Intake Valve V157 no signal
Possible Causes:
Circuit interruption
Possible Impacts:
Hard engine bay
Error Code: 19559
Motor for Intake Valve V157 defective
Possible Causes:
V157 defect
Possible Impacts:
Hard engine bay
Error Code: 19560
Switch valve for suction valve N239 Short circuit to positive (+)
Possible Causes:
Short circuit after plus
Possible Impacts:
Hard engine bay
Error Code: 19561
Switch valve for suction pipe valve N239, Disconnect/Short circuit to ground.
Possible Causes:
Circuit Interruption
Shift valve for suction valve defective
Possible Impacts:
Stiff engine bay Tschüss
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