Volkswagen Cars 2000-05

2.5L L5 - Auto 5

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Trouble Code: P0758



A/T Shift Solenoid 2/B Circuit Malfunction

Possible Causes:



Shift Solenoid 2/B connector is damaged, open or shorted
 
Shift Solenoid 2/B control circuit is open
 
Shift Solenoid 2/B control circuit is shorted to ground
 
Shift Solenoid 2/B is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0761



A/T Shift Solenoid 3/C Function Range/Performance

Possible Causes:



SS3/C solenoid may be stuck -off-
 
SS3/C solenoid has a mechanical failure
 
SS3/C solenoid has a hydraulic failure
 
ECM has failed
 

Trouble Code: P0762



A/T Shift Solenoid 3/C Function Range/Performance

Possible Causes:



SS3/C solenoid may be stuck -on-
 
SS3/C solenoid has a mechanical failure
 
SS3/C solenoid has a hydraulic failure
 
ECM has failed
 

Trouble Code: P0763



A/T Shift Solenoid 3/C Electrical

Possible Causes:



Shift Solenoid 3/C connector is damaged, open or shorted
 
Shift Solenoid 3/C control circuit is open
 
Shift Solenoid 3/C control circuit is shorted to ground
 
Shift Solenoid 3/C is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0766



A/T Shift Solenoid D Performance

Possible Causes:



Shift Solenoid D connector is damaged, open or shorted
 
Shift Solenoid D control circuit is open
 
Shift Solenoid D control circuit is shorted to ground
 
Shift Solenoid D is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0768



A/T Shift Solenoid 3/D Electrical

Possible Causes:



Shift Solenoid 3/D connector is damaged, open or shorted
 
Shift Solenoid 3/D control circuit is open
 
Shift Solenoid 3/D control circuit is shorted to ground
 
Shift Solenoid 3/D is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0771



A/T Shift Solenoid E Performance

Possible Causes:



Shift Solenoid D connector is damaged, open or shorted
 
Shift Solenoid D control circuit is open
 
Shift Solenoid D control circuit is shorted to ground
 
Shift Solenoid D is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0773



A/T Shift Solenoid E Electrical

Possible Causes:



Shift Solenoid connector is damaged, open or shorted
 
Shift Solenoid control circuit is open
 
Shift Solenoid control circuit is shorted to ground
 
Shift Solenoid is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0776



Pressure Control Solenoid "B" Performance or Stuck Off

Possible Causes:



SS3/C solenoid may be stuck -off-
 
SS3/C solenoid has a mechanical failure
 
SS3/C solenoid has a hydraulic failure
 
ECM has failed
 

Trouble Code: P0777



Pressure Control Solenoid "B" Stuck On

Possible Causes:



SS3/C solenoid may be stuck -on-
 
SS3/C solenoid has a mechanical failure
 
SS3/C solenoid has a hydraulic failure
 
ECM has failed
 

Trouble Code: P0778



Pressure Control Solenoid "B" Electrical

Possible Causes:



Shift Solenoid connector is damaged, open or shorted
 
Shift Solenoid control circuit is open
 
Shift Solenoid control circuit is shorted to ground
 
Shift Solenoid is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0785



Shift/Timing Solenoid

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 
Mechanical malfunction in transmission
 

Trouble Code: P0796



Pressure Solenoid "C" Performance or Stuck Off

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P0797



Pressure Solenoid "C" Performance or Stuck On

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P0798



Pressure Solenoid "C" Electrical

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P0811



Excessive Clutch Slippage

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P0840



Transmission Fluid Pressure Sensor/Switch "A" Circuit

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 
ECM has failed
 

Trouble Code: P0841



Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 
ECM has failed
 

Trouble Code: P0845



Transmission Fluid Pressure Sensor/Switch "B" Circuit

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 
ECM has failed
 

Trouble Code: P0846



Transmission Fluid Pressure Sensor/Switch "B" Circuit Range/Performance

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 
ECM has failed
 

Trouble Code: P0863



TCM Communication Circuit

Possible Causes:



ECM has failed
 
Terminal resistance for CAN-bus are faulty
 
Can data bus wires have short circuited to each other
 
TCM has failed
 

Trouble Code: P0864



TCM Communication Circuit Range/Performance

Possible Causes:



ECM has failed
 
Terminal resistance for CAN-bus are faulty
 
Can data bus wires have short circuited to each other
 
TCM has failed
 

Trouble Code: P0865



TCM Communication Circuit Low

Possible Causes:



ECM has failed
 
Terminal resistance for CAN-bus are faulty
 
Can data bus wires have short circuited to each other
 
TCM has failed
 

Trouble Code: P0889



TCM Power Relay Sense Circuit Range/Performance

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P0890



TCM Power Relay Sense Circuit Low

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P0891



TCM Power Relay Sense Circuit High

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P0892



TCM Power Relay Sense Circuit High

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
ECM has failed
 

Trouble Code: P1102



O2 Sensor Circuit (Bank 1-Sensor 1) Short to B+

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor (behind catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
Circuit wiring has a short to power or ground
 
Engine Component Power Supply Relay is faulty
 
E-box fuses for oxygen sensor are faulty
 
Leaks present in the exhaust manifold or exhaust pipes
 
HO2S signal wire and ground wire crossed in connector
 
HO2S element is fuel contaminated or has failed
 
ECM has failed
 

Trouble Code: P1103



O2 Sensor Circuit (Bank 1-Sensor 1) Output Too Low

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor (behind catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
Circuit wiring has a short to power or ground
 
Engine Component Power Supply Relay is faulty
 
E-box fuses for oxygen sensor are faulty
 
Leaks present in the exhaust manifold or exhaust pipes
 
HO2S signal wire and ground wire crossed in connector
 
HO2S element is fuel contaminated or has failed
 
ECM has failed
 

Trouble Code: P1150



Lack of HO2S-21 Switching, Fuel Trim At Rich/Lean Limit

Possible Causes:



Air intake system leaking, vacuum hoses leaking or damaged
 
Air leaks located after the MAF sensor mounting location
 
EGR valve sticking, EGR diaphragm leaking, or gasket leaking
 
EVAP vapor recovery system has failed
 
Excessive fuel pressure, leaking or contaminated fuel injectors
 
Exhaust leaks before or near the HO2S(s) mounting location
 
Fuel pressure regulator is leaking or damaged
 
HO2S circuits wet or oily, corroded, or poor terminal contact
 
HO2S signal circuit open, shorted to ground, shorted to power, or the sensor has failed
 
Low fuel pressure or vehicle driven until it was out of fuel
 
Oil dipstick not seated or engine oil level too high (overfilled)
 

Trouble Code: P1647



Please Check Coding of the ECUs in the Data Bus Powertrain

Possible Causes:



Engine Control Module (ECM) has failed
 
Voltage supply for Engine Control Module (ECM) has shorted
 

Trouble Code: P2008



Intake Manifold Runner Control Circuit/Open Bank 1

Possible Causes:



Accelerator or speed control cable sticking or binding. To test for this condition, turn the key off. Then disconnect the accelerator and speed control cable from the throttle body. Then rotate the throttle body linkage to determine if it rotates freely. If it is sticking, the throttle body may need replacement.
 
Check the air cleaner and air inlet assembly for restrictions
 
Check the IAC motor response (it may be damaged or sticking)
 
Check the PCV system (valve and hoses) for leaks or plugging
 
Check for signs of vacuum leaks in the engine or components
 
Test TP sensor signal
 

Trouble Code: P2089



-A- Camshaft Position Control Circuit High Bank 1

Possible Causes:



Camshaft position control wiring harness connector is damaged or open
 
Camshaft adjustment valve has failed
 
Circuit is open or grounded
 
Assembly is damaged or it has failed (an open circuit)
 
ECM power supply relay has failed
 
ECM has failed
 

Trouble Code: P2101



Throttle Actuator Control Motor Range/Performance

Possible Causes:



TACM wiring harness connector is damaged or open
 
TACM wiring may be crossed in the wire harness assembly
 
TACM (motor) circuit is open, or TACM assembly is damaged (possible open circuit)
 
TACM or the Throttle Valve is dirty
 
Throttle Position sensor has failed
 
ECM has failed
 

Trouble Code: P2106



Throttle Actuator Control System - Forced Limited Power Conditions

Possible Causes:



TACM wiring harness connector is damaged or open
 
TACM wiring may be crossed in the wire harness assembly
 
TACM (motor) circuit is open, or TACM assembly is damaged (possible open circuit)
 
TACM or the Throttle Valve is dirty
 
Throttle Position sensor has failed
 
ECM has failed
 

Trouble Code: P2122



Accelerator Pedal Position Sensor -D- Circuit Low Input

Possible Causes:



Ground between engine and chassis may be broken
 
Throttle position sensor may have failed
 
Accelerator Pedal Position Sensor has failed
 
Throttle position sensor wiring may have shorted
 
Throttle position sensor has failed
 
Faulty voltage supply
 
ECM has failed
 

Trouble Code: P2123



Accelerator Pedal Position Sensor -D- Circuit High Input

Possible Causes:



Ground between engine and chassis may be broken
 
Throttle position sensor may have failed
 
Accelerator Pedal Position Sensor has failed
 
Throttle position sensor wiring may have shorted
 
Throttle position sensor has failed
 
Faulty voltage supply
 
ECM has failed
 

Trouble Code: P2127



Accelerator Pedal Position Sensor -E- Circuit Low Input

Possible Causes:



Ground between engine and chassis may be broken
 
Throttle position sensor may have failed
 
Accelerator Pedal Position Sensor has failed
 
Throttle position sensor wiring may have shorted
 
Throttle position sensor has failed
 
Faulty voltage supply
 
ECM has failed
 

Trouble Code: P2128



Accelerator Pedal Position Sensor -E- Circuit High Input

Possible Causes:



Ground between engine and chassis may be broken
 
Throttle position sensor may have failed
 
Accelerator Pedal Position Sensor has failed
 
Throttle position sensor wiring may have shorted
 
Throttle position sensor has failed
 
Faulty voltage supply
 
ECM has failed
 

Trouble Code: P2138



Throttle Position Sensor D/E Voltage Correlation

Possible Causes:



ETC TP sensor connector is damaged or shorted
 
ETC TP sensor circuits shorted together in the wire harness
 
ETC TP sensor signal circuit is shorted to VREF (5v)
 
ETC TP sensor is damaged or the ECM has failed
 

 
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