Volkswagen Cars 2000-05

2.0L L4 - Std 10

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Trouble Code: P2258



Secondary Air Injection System Control -A- Circuit High

Possible Causes:



AIR solenoid power circuit (B+) is open (check dedicated fuse)
 
AIR bypass solenoid control circuit is open or shorted to ground
 
AIR diverter solenoid control circuit open or shorted to ground
 
AIR pump control circuit is open or shorted to ground
 
Check valve (one or more) is damaged or leaking
 
Solid State relay is damaged or it has failed
 
Check activation of Secondary Air Injection (AIR) Pump Relay
 
ECM has failed
 

Trouble Code: P2261



Turbo/Super Charger Bypass Valve - Mechanical

Possible Causes:



Charge air system has leaks
 
Recirculating valve for turbocharger is faulty
 
Turbocharging system is damaged
 
Vacuum diaphragm for turbocharger needs adjusting
 
Wastegate bypass regulator valve is faulty
 
Ignition misfire condition exceeds the calibrated threshold
 
Knock sensor circuit has failed, or excessive knock detected
 
Low speed fuel pump relay not switching properly
 
Transmission oil temperature beyond the calibrated threshold
 
Shaft bearing of charge pressure regulator valve in turbocharger is blocked
 

Trouble Code: P2270



O2 Sensor Signal Stuck Lean Bank 1 Sensor 2

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
O2S circuit is open or shorted in the wiring harness
 
ECM has failed
 

Trouble Code: P2271



O2 Sensor Signal Stuck Rich Bank 1 Sensor 2

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
O2S circuit is open or shorted in the wiring harness
 
ECM has failed
 

Trouble Code: P2274



O2 Sensor Signal Stuck Lean Bank 2 Sensor 3

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
O2S circuit is open or shorted in the wiring harness
 
ECM has failed
 

Trouble Code: P2275



O2 Sensor Signal Stuck Rich Bank 2 Sensor 3

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
O2S circuit is open or shorted in the wiring harness
 
ECM has failed
 

Trouble Code: P2279



Intake Air System Leak

Possible Causes:



Intake Manifold Runner Position Sensor is damaged or has failed
 
Intake system has leaks (false air)
 
Motor for intake flap is faulty
 
ECM has failed
 
IAT sensor signal circuit is shorted to sensor or chassis ground
 
IAT sensor is damaged or has failed
 
ECM has failed.
 

Trouble Code: P2293



Fuel Pressure Regulator 2 Performance

Possible Causes:



Fuel Pressure Regulator Valve has failed
 
Fuel Pressure Sensor has failed
 
Fuel Pump (FP) Control Module has failed
 
Fuel pump has failed
 
ECM has failed
 

Trouble Code: P2294



Fuel Pressure Regulator 2 Control Circuit

Possible Causes:



Fuel Pressure Regulator Valve has failed
 
Fuel Pressure Sensor has failed
 
Fuel Pump (FP) Control Module has failed
 
Fuel pump has failed
 
ECM has failed
 

Trouble Code: P2295



Fuel Pressure Regulator 2 Control Circuit Low

Possible Causes:



Fuel Pressure Regulator Valve has failed
 
Fuel Pressure Sensor has failed
 
Fuel Pump (FP) Control Module has failed
 
Fuel pump has failed
 
ECM has failed
 

Trouble Code: P2296



Fuel Pressure Regulator 2 Control Circuit High

Possible Causes:



Fuel Pressure Regulator Valve has failed
 
Fuel Pressure Sensor has failed
 
Fuel Pump (FP) Control Module has failed
 
Fuel pump has failed
 
ECM has failed
 

Trouble Code: P2300



Ignition Coil -A- Primary Control Circuit Low

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2301



Ignition Coil -A- Primary Control Circuit High

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2303



Ignition Coil -B- Primary Control Circuit Low

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2304



Ignition Coil -B- Primary Control Circuit High

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2306



Ignition Coil -C- Primary Control Circuit Low

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2307



Ignition Coil -C- Primary Control Circuit High

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to open circuit
 
There is a malfunction in voltage supply
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2309



Ignition Coil -D- Primary Control Circuit Low

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2310



Ignition Coil -D- Primary Control Circuit High

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 
ECM has failed
 

Trouble Code: P2336



Cylinder #1 Above Knock Threshold

Possible Causes:



Contact surfaces between knock sensor and cylinder block are dirty
 
Knock Sensors not tightened to be exactly 20 Nm.
 
Knock sensor(s) have failed
 
Engine Control Module (ECM) is not connected or has failed
 
There is a fuel contamination
 
Engine equipment is lose or broken
 

Trouble Code: P2337



Cylinder #2 Above Knock Threshold

Possible Causes:



Contact surfaces between knock sensor and cylinder block are dirty
 
Knock Sensors not tightened to be exactly 20 Nm.
 
Knock sensor(s) have failed
 
Engine Control Module (ECM) is not connected or has failed
 
There is a fuel contamination
 
Engine equipment is lose or broken
 

Trouble Code: P2338



Cylinder #3 Above Knock Threshold

Possible Causes:



Contact surfaces between knock sensor and cylinder block are dirty
 
Knock Sensors not tightened to be exactly 20 Nm.
 
Knock sensor(s) have failed
 
Engine Control Module (ECM) is not connected or has failed
 
There is a fuel contamination
 
Engine equipment is lose or broken
 

Trouble Code: P2339



Cylinder #4 Above Knock Threshold

Possible Causes:



Contact surfaces between knock sensor and cylinder block are dirty
 
Knock Sensors not tightened to be exactly 20 Nm.
 
Knock sensor(s) have failed
 
Engine Control Module (ECM) is not connected or has failed
 
There is a fuel contamination
 
Engine equipment is lose or broken
 

Trouble Code: P2400



EVAP Leak Detection Pump (LDP) Control Circuit Open

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
ECM has failed
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2401



EVAP Leak Detection Pump Control Circuit Low

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
ECM has failed
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2402



EVAP Leak Detection Pump Control Circuit High

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
ECM has failed
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2403



EVAP Leak Detection Pump Sense Circuit Open

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
ECM has failed
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2404



EVAP Leak Detection Pump Sense Circuit Range/Performance

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
ECM has failed
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2414



O2 Sensor Exhaust Sample Error Bank 1 Sensor 1

Possible Causes:



Intake Manifold Runner Position Sensor is damaged or has failed
 
Intake system has leaks (false air)
 
Motor for intake flap is faulty
 
ECM has failed
 
Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
O2S circuit is open or shorted in the wiring harness
 

Trouble Code: P2626



O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1

Possible Causes:



Check activation of Recirculation Pump Relay
 
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
 

Trouble Code: P2629



O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 1

Possible Causes:



Check activation of Recirculation Pump Relay
 
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
 

Trouble Code: P2637



Torque Management Feedback Signal -A-

Possible Causes:



Engine Control Module (ECM) has failed
 
Voltage supply for Engine Control Module (ECM) is damaged
 
Engine Coolant Temperature (ECT) sensor has failed
 
Intake Air Temperature (IAT) sensor has failed
 
Intake Manifold Runner Position Sensor has failed
 
Intake system has leaks (false air)
 
Motor for intake flap has failed
 
Mass Air Flow (MAF) sensor has failed
 

Trouble Code: P2714



Pressure Control Solenoid -D- Performance or Stuck Off

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

Trouble Code: P2715



Pressure Control Solenoid -D- Performance or Stuck On

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

Trouble Code: P2716



Pressure Control Solenoid -D- Electrical Malfunction

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

Trouble Code: P2717



Pressure Control Solenoid -D- Intermittent

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

Trouble Code: P2723



Pressure Control Solenoid -E- Performance or Stuck Off

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

Trouble Code: P2724



Pressure Control Solenoid -E- Performance or Stuck On

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

Trouble Code: P2725



Pressure Control Solenoid -E- Electrical Malfunction

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

Trouble Code: P2726



Pressure Control Solenoid -E- Intermittent

Possible Causes:



ATF level is low
 
Circuit harness connector contacts are corroded or ingressed of water
 
Circuit wires have shorted to each other, to battery or ground
 
Automatic Transmission Hydraulic Pressure Sensor 1 has failed
 
Solenoid valves in valve body are faulty
 
Transmission Control Module (TCM) needs replacing
 
Transmission Input Speed (RPM) Sensor has failed
 
Transmission Output Speed (RPM) Sensor has failed
 

 
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