Volkswagen Cars 2000-05

2.8L V6 VIN H Auto 6

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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: 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: 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: P1105



O2 Sensor Circuit (Bank 1-Sensor 2) 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: P1107



O2 Sensor Circuit (Bank 2-Sensor 1) Voltage 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: P1110



O2 Sensor Circuit (Bank 2-Sensor 2) 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: P1114



O2 Control (Bank 1 Sensor 2) Internal Resistance Too High

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: P1115



O2 Control (Bank 1 Sensor 1) Short to Ground

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: P1116



O2 Control (Bank 1 Sensor 1) Open

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: P1117



O2 Control (Bank 1 Sensor 2) Open

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: P1118



O2 Sensor Heater Circ. (Bank 1-Sensor2) Open

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: P1127



Long Term Fuel Trim Add. Air. Bank 1 System Too Rich

Possible Causes:



MAF sensor circuit open
 
MAF sensor circuit shorted to ground
 
Air leak in the manifold
 
Secondary air injection system combi-valve stuck open
 
Secondary air injection system electrical short
 
Fuel pressure too high, leaks in the vacuum hose to fuel pressure regulator
 
Fuel pressure regulator has failed
 
Fuel injectors are dirty, faulty or do not close properly
 
ECM has failed
 

Trouble Code: P1128



Long Term Fuel Trim Add. Air. Bank 1 System Too Lean

Possible Causes:



Fuel pressure is too low or fuel quantity supplied is too low
 
Fuel filter faulty
 
Transfer fuel pump has failed
 
Fuel injector is faulty (sticking or not opening)
 
Engine speed (RPM) sensor is faulty
 
MAF sensor circuit open
 
MAF sensor circuit shorted to ground
 
Air leak in the manifold
 
Secondary air injection system combi-valve stuck open
 
Secondary air injection system electrical short
 
ECM has failed
 

Trouble Code: P1129



Long Term Fuel Trim at Rich 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 is damaged or it has failed
 
HO2S signal circuit open, shorted to ground, shorted to power
 
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: P1130



Long Term Fuel Trim at 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 is damaged or it has failed
 
HO2S signal circuit open, shorted to ground, shorted to power
 
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: P1136



Long Term Fuel Trim Add. Fuel, Bank 1 System Too Lean

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 is damaged or it has failed
 
HO2S signal circuit open, shorted to ground, shorted to power
 
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: P1137



Long Term Fuel Trim Add. Fuel, Bank 1 System Too Rich

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 is damaged or it has failed
 
HO2S signal circuit open, shorted to ground, shorted to power
 
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: P1138



Long Term Fuel Trim Add. Fuel, Bank 2 System Too Lean

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 is damaged or it has failed
 
HO2S signal circuit open, shorted to ground, shorted to power
 
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: P1139



Long Term Fuel Trim Add. Fuel, Bank 2 System Too Rich

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 is damaged or it has failed
 
HO2S signal circuit open, shorted to ground, shorted to power
 
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: P1141



Load Calculation Cross Check Range/Performance

Possible Causes:



Intake system is leaking
 
Signal is grounding
 
ECM has failed
 
Intake Manifold Runner Position Sensor is faulty
 
Intake system for leaks (false air) is faulty
 
Motor for intake flap is faulty
 
Mass Air Flow (MAF) sensor is faulty
 
Throttle Position (TP) sensor is faulty
 
Throttle valve control module is faulty
 

Trouble Code: P1142



Load Calculation Cross Check Lower Limit

Possible Causes:



Intake Manifold Runner Position Sensor is faulty
 
Intake system for leaks (false air) is faulty
 
Motor for intake flap is faulty
 
Mass Air Flow (MAF) sensor is faulty
 
Throttle Position (TP) sensor is faulty
 
Throttle valve control module is faulty
 
Intake system is leaking
 
Signal is grounding
 
ECM has failed
 

Trouble Code: P1143



Load Calculation Cross Check Upper Limit

Possible Causes:



Intake Manifold Runner Position Sensor is faulty
 
Intake system for leaks (false air) is faulty
 
Motor for intake flap is faulty
 
Mass Air Flow (MAF) sensor is faulty
 
Throttle Position (TP) sensor is faulty
 
Throttle valve control module is faulty
 
Intake system is leaking
 
Signal is grounding
 
ECM has failed
 

Trouble Code: P1149



O2 Control (Bank 1) Out of Range

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)
 

 
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