Volkswagen Cars 2000-05

2.8L V6 - Auto 1

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2.8L V6 - Auto

Trouble Code: P0010



-A- Camshaft Position Actuator Circuit (Bank 1)

Possible Causes:



Fuel pump has failed
 
Actuator circuit is open
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 

Trouble Code: P0011



-A- Camshaft Position Timing Over-Advanced (Bank 1)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0012



-A- Camshaft Position Over-Retarded (Bank 1)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0013



-B- Camshaft Position Actuator Circuit (Bank 1)

Possible Causes:



Fuel pump has failed
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 

Trouble Code: P0014



-B- Camshaft Position Timing Over-Advanced (Bank 1)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0015



-B- Camshaft Position Over-Retarded (Bank 1)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0016



Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A

Possible Causes:



Camshaft Position (CMP) sensor is faulty
 
CMP circuit short to ground, power or open
 
Engine Speed (RPM) sensor is faulty
 
ECM has failed
 

Trouble Code: P0018



Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor A

Possible Causes:



Camshaft Position (CMP) sensor is faulty
 
CMP circuit short to ground, power or open
 
Engine Speed (RPM) sensor is faulty
 
ECM has failed
 

Trouble Code: P0020



-A- Camshaft Position Timing Over-Advanced (Bank 2)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0021



-A- Camshaft Position Actuator Circuit (Bank 2)

Possible Causes:



Fuel pump has failed
 
Actuator circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 

Trouble Code: P0022



-A- Camshaft Position Over-Retarded (Bank 2)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0023



-B- Camshaft Position Actuator Circuit (Bank 2)

Possible Causes:



Fuel pump has failed
 
Actuator circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 

Trouble Code: P0024



-B- Camshaft Position Timing Over-Advanced (Bank 2)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0025



-B- Camshaft Position Over-Retarded (Bank 2)

Possible Causes:



Fuel pump has failed
 
CPS circuit is open, shorted to ground or shorted to power
 
ECM has failed
 
Battery voltage below 11.5 volts
 
Position actuator circuit may short to B+ or Ground
 
Camshaft timing improperly set, or continuous oil flow to the VCT piston chamber
 
Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically
 
VCT solenoid valve is stuck in open position
 

Trouble Code: P0030



HO2S Heater (Bank 1 Sensor 1) Control Circuit Malfunction

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0031



HO2S Heater (Bank 1 Sensor 1) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0032



HO2S Heater (Bank 1 Sensor 1) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to ground or to system voltage
 
ECM has failed
 

Trouble Code: P0036



HO2S Heater (Bank 1 Sensor 2) Control Circuit Malfunction

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0037



HO2S Heater (Bank 1 Sensor 2) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0038



HO2S Heater (Bank 1 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to ground or to system voltage
 
ECM has failed
 

Trouble Code: P0040



O2 Sensor Signals Swapped (Bank 1 Sensor 1/Bank 2 Sensor 1)

Possible Causes:



HO2S-11 and HO2S-21 harness connectors are swapped
 
HO2S-11 and HO2S-21 wiring is crossed inside the harness
 
HO2S-11 and HO2S-21 wires are crossed at 104-pin connector
 
Connector coding and color mixed with correct catalytic converter
 

Trouble Code: P0041



O2 Sensor Signals Swapped (Bank 1 Sensor 2/Bank 2 Sensor 2)

Possible Causes:



HO2S-12 and HO2S-22 harness connectors are swapped
 
HO2S-12 and HO2S-22 wiring is crossed inside the harness
 
HO2S-12 and HO2S-22 wires are crossed at 104-pin connector
 
Connector coding and color mixed with correct catalytic converter
 

Trouble Code: P0050



HO2S Heater (Bank 2 Sensor 1) Control Circuit Malfunction

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0051



HO2S Heater (Bank 2 Sensor 1) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0052



HO2S Heater (Bank 2 Sensor 1) Circuit High Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0056



HO2S Heater (Bank 2 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to ground or to system voltage
 
ECM has failed
 

Trouble Code: P0057



HO2S Heater (Bank 2 Sensor 2) Control Circuit Malfunction

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0058



HO2S Heater (Bank 2 Sensor 2) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
ECM has failed
 

Trouble Code: P0052



HO2S Heater (Bank 2 Sensor 1) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to ground or to system voltage
 
ECM has failed
 

Trouble Code: P0101



Mass or Volume Air Flow Circuit Range/Performance Conditions

Possible Causes:



Mass air flow (MAF) sensor has failed or is damaged
 
ECM has failed
 
Signal and ground wires of Mass Air Flow (MAF) sensor has short circuited
 

Trouble Code: P0102



MAF Sensor Circuit Low Input

Possible Causes:



Check for leaks between MAF sensor and throttle valve control module
 
Voltage supply faulty.
 
Sensor power circuit open from fuel pump relay to MAF sensor
 
Sensor signal circuit open (may be disconnected) from ECM and MAF
 
Faulty ground cable resistance between connector terminal 1 and Ground
 
MAF Sensor malfunction
 

Trouble Code: P0103



MAF Sensor Circuit High Input

Possible Causes:



Check for leaks between MAF sensor and throttle valve control module
 
Voltage supply faulty.
 
Sensor power circuit open from fuel pump relay to MAF sensor
 
Sensor signal circuit open (may be disconnected) from ECM and MAF
 
Faulty ground cable resistance between connector terminal 1 and Ground
 
MAF Sensor malfunction
 

Trouble Code: P0106



Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Performance

Possible Causes:



Sensor has deteriorated (response time too slow) or has failed
 
MAP sensor signal circuit is shorted to ground
 
MAP sensor circuit (5v) is open
 
MAP sensor is damaged or it has failed
 
BARO sensor signal circuit is shorted to ground
 
BARO sensor circuit (5v) is open
 
BARO sensor is damaged or it has failed
 
ECM is not connected properly
 
ECM has failed
 

Trouble Code: P0107



Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Low Input

Possible Causes:



Sensor has deteriorated (response time too slow) or has failed
 
MAP sensor signal circuit is shorted to ground
 
MAP sensor circuit (5v) is open
 
MAP sensor is damaged or it has failed
 
BARO sensor signal circuit is shorted to ground
 
BARO sensor circuit (5v) is open
 
BARO sensor is damaged or it has failed
 
ECM is not connected properly
 
ECM has failed
 

Trouble Code: P0108



Manifold Absolute Pressure/Barometric Sensor Circuit High Input

Possible Causes:



Sensor has deteriorated (response time too slow) or has failed
 
MAP sensor signal circuit is shorted to ground
 
MAP sensor circuit (5v) is open
 
MAP sensor is damaged or it has failed
 
BARO sensor signal circuit is shorted to ground
 
BARO sensor circuit (5v) is open
 
BARO sensor is damaged or it has failed
 
ECM is not connected properly
 
ECM has failed
 

Trouble Code: P0111



Intake Air Temperature Sensor Circuit Low Input

Possible Causes:



IAT sensor signal circuit is grounded (check wiring & connector)
 
Resistance value between sockets 33 and 36 out of range
 
IAT sensor has an open circuit
 
IAT sensor is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0112



Intake Air Temperature Sensor Circuit Low Input

Possible Causes:



IAT sensor signal circuit is grounded (check wiring & connector)
 
Resistance value between sockets 33 and 36 out of range
 
IAT sensor has an open circuit
 
IAT sensor is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0113



Intake Air Temperature Sensor Circuit High Input

Possible Causes:



IAT sensor signal circuit is open (inspect wiring & connector)
 
IAT sensor signal circuit is shorted
 
Resistance value between sockets 33 and 36 out of range
 
IAT sensor is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0116



ECT Sensor / CHT Sensor Signal Range/Performance

Possible Causes:



Check for low coolant level or incorrect coolant mixture
 
ECM detects a short circuit wiring in the ECT
 
CHT sensor is out-of-calibration or it has failed
 
ECT sensor is out-of-calibration or it has failed
 

Trouble Code: P0117



ECT Sensor Circuit Low Input

Possible Causes:



ECT sensor signal circuit is grounded in the wiring harness
 
ECT sensor doesn-t react to changes in temperature
 
ECT sensor is damaged or the ECM has failed
 

 
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