Volkswagen Cars 2000-05

2.0L L4 VIN B Std 9

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Trouble Code: P2192



System Too Rich at Higher Load Bank 1

Possible Causes:



Evaporative Emission (EVAP) canister purge regulator valve is faulty
 
Exhaust system components are damaged
 
Fuel injectors are faulty
 
Fuel pressure regulator and residual pressure have failed
 
Fuel Pump (FP) in fuel tank is faulty
 
Intake system has leaks (false air)
 
Secondary Air Injection (AIR) system has an improper seal
 
Intake Manifold Runner Position Sensor has failed
 
Motor for intake flap is faulty
 
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
 
Check circuits for shorts to each other, ground or power
 
ECM has failed
 

Trouble Code: P2195



O2 Sensor Signal Stuck Lean Bank 1 Sensor 1

Possible Causes:



Engine oil level high
 
Camshaft timing error
 
Cylinder compression low
 
Exhaust leaks in front of O2S
 
EGR valve is stuck open
 
EGR gasket is leaking
 
EVR diaphragm is leaking
 
Damaged fuel pressure regulator or extremely low fuel pressure
 
O2S circuit is open or shorted in the wiring harness
 
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
 
Air leaks after the MAF sensor
 
PCV system leaks
 
Dip stick not seated properly
 

Trouble Code: P2196



O2 Sensor Signal Stuck Rich Bank 1 Sensor 1

Possible Causes:



Engine oil level high
 
Camshaft timing error
 
Cylinder compression low
 
Exhaust leaks in front of O2S
 
EGR valve is stuck open
 
EGR gasket is leaking
 
EVR diaphragm is leaking
 
Damaged fuel pressure regulator or extremely low fuel pressure
 
O2S circuit is open or shorted in the wiring harness
 
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
 
Air leaks after the MAF sensor
 
PCV system leaks
 
Dip stick not seated properly
 

Trouble Code: P2231



O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1

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: P2237



O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1

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: P2243



O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1

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: P2251



O2 Sensor Negative Voltage Circuit/Open Bank 1 Sensor 1

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: P2257



Secondary Air Injection System Control -A- Circuit Low

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: 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: 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: 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: 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: 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: 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
 

Trouble Code: P2732



Pressure Control Solenoid -F- 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: P2733



Pressure Control Solenoid -F- 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: P2734



Pressure Control Solenoid -F- 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: P2735



Pressure Control Solenoid -F- 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: P3047



Activation Starter Relay 2 Short Circuit to B+

Possible Causes:



Check activation of Starting interlock relay
 

Trouble Code: P3048



Activation Starter Relay 2 Short Circuit to Ground

Possible Causes:



Check activation of Starting interlock relay
 

Trouble Code: P3049



Activation Starter Relay 2 Open

Possible Causes:



Check activation of Starting interlock relay
 

Trouble Code: P3050



Starter Relay 2 Electrical Malfunction in Circuit (Relay Stuck)

Possible Causes:



Check activation of Starting interlock relay
 

Trouble Code: P3081



Engine Temperature Too Low

Possible Causes:



Engine hasn-t completely warmed up
 
Radiator malfunction
 
Thermostat malfunction
 
ECM failure
 

Trouble Code: P3096



Internal Control Module Memory, Check Sum Error

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
Connection to the ECM interrupted, or the circuit has been opened
 
Reprogramming error has occurred
 
ECM has failed and needs replacement.
 
Voltage supply for Engine Control Module (ECM) is faulty
 

Trouble Code: P3097



Internal Control Module Memory, Check Sum Error

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
Connection to the ECM interrupted, or the circuit has been opened
 
Reprogramming error has occurred
 
ECM has failed and needs replacement.
 
Voltage supply for Engine Control Module (ECM) is faulty
 

Trouble Code: P3211



Exhaust (Bank 1 Sensor 1) Heater Return Connection

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: P3255



O2 Sensor Before Catalytic Converter (Bank 1), Heating Circuit Regulation at Upper Impact

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: P3056



O2 Sensor Before Catalytic Converter (Bank 1), Heating Circuit Regulation at Lower Impact

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
 

 
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