Volkswagen Cars 2000-05

2.0L L4 - Std 12

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Trouble Code: P0269



Cylinder 3 Contribution/Balance

Possible Causes:



Check activation of valve for pump/injector
 
ECM has failed
 
Fuel pump relay has failed
 
Fuel injectors may have malfunctioned
 

Trouble Code: P0272



Cylinder 4 Contribution/Balance

Possible Causes:



Check activation of valve for pump/injector
 
ECM has failed
 
Fuel pump relay has failed
 
Fuel injectors may have malfunctioned
 

Trouble Code: P0300



Random Misfire Detected

Possible Causes:



Base engine mechanical fault that affects two or more cylinders
 
Fuel metering fault that affects two or more cylinders
 
Fuel pressure too low or too high, fuel supply contaminated
 
EVAP system problem or the EVAP canister is fuel saturated
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (coil, plugs) affecting two or more cylinders
 
MAF sensor contamination (it can cause a very lean condition)
 
Vehicle driven while very low on fuel (less than 1/8 of a tank)
 

Trouble Code: P0381



Glow Plug/Heater Indicator Circuit

Possible Causes:



Check activation of Glow Plug Indicator Lamp
 

Trouble Code: P0401



Exhaust Gas Recirculation Malfunction (ESM System)

Possible Causes:



EGR valve hoses are damaged, leaking or restricted
 
EGR vacuum regulator solenoid valve has failed or is dirty
 
EGR valve source hoses loose or connected wrong
 
Potentiometer for the EGR is faulty
 
EGR valve connector is damaged, loose or shorted
 
EGR valve is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0402



EGR Flow At Idle Speed Detected (ESM System)

Possible Causes:



EGR valve hoses are damaged, leaking or restricted
 
EGR vacuum regulator solenoid valve has failed or is dirty
 
EGR valve source hoses loose or connected wrong
 
Potentiometer for the EGR is faulty
 
EGR valve connector is damaged, loose or shorted
 
EGR valve is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0403



EGR Solenoid Circuit Malfunction

Possible Causes:



EGR valve hoses are damaged, leaking or restricted
 
EGR vacuum regulator solenoid valve has failed or is dirty
 
EGR valve source hoses loose or connected wrong
 
Potentiometer for the EGR is faulty
 
EGR valve connector is damaged, loose or shorted
 
EGR valve is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0404



EGR Control Circuit Range/Performance

Possible Causes:



EGR valve hoses are damaged, leaking or restricted
 
EGR vacuum regulator solenoid valve has failed or is dirty
 
EGR valve source hoses loose or connected wrong
 
Potentiometer for the EGR is faulty
 
EGR valve connector is damaged, loose or shorted
 
EGR valve is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0603



ECM Keep Alive Memory Test Error

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
KAPWR to ECM interrupted, or the circuit has been opened
 
Reprogramming error has occurred
 
ECM has failed and needs replacement. Remember to check for Aftermarket Performance Products before replacing a ECM.
 

Trouble Code: P0607



Control Module Performance

Possible Causes:



Clear the trouble codes and then check for this trouble code. If it resets, the ECM has failed and needs replacement.
 
Remember to check for signs of Aftermarket Performance Products installation before replacing the ECM.
 

Trouble Code: P0642



Sensor Reference Voltage -A- Circuit Low

Possible Causes:



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: P0643



Sensor Reference Voltage -A- Circuit High

Possible Causes:



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: P0652



Sensor Reference Voltage -B- Circuit Low

Possible Causes:



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: P0653



Sensor Reference Voltage -B- Circuit High

Possible Causes:



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: P0670



Glow Plug Module Control Circuit

Possible Causes:



Glow plug lamp circuit is open or shorted to ground
 
Glow plug relay control circuit is open or shorted to ground
 
Glow plug relay power circuit is open (test the 12GA fuse link)
 
Glow plug relay is damaged or it has failed
 

Trouble Code: P0671



Cylinder 1 Glow Plug Circuit

Possible Causes:



Glow plug lamp circuit is open or shorted to ground
 
Glow plug relay control circuit is open or shorted to ground
 
Glow plug relay power circuit is open (test the 12GA fuse link)
 
Glow plug relay is damaged or it has failed
 

Trouble Code: P0672



Cylinder 2 Glow Plug Circuit

Possible Causes:



Glow plug lamp circuit is open or shorted to ground
 
Glow plug relay control circuit is open or shorted to ground
 
Glow plug relay power circuit is open (test the 12GA fuse link)
 
Glow plug relay is damaged or it has failed
 

Trouble Code: P0673



Cylinder 3 Glow Plug Circuit

Possible Causes:



Glow plug lamp circuit is open or shorted to ground
 
Glow plug relay control circuit is open or shorted to ground
 
Glow plug relay power circuit is open (test the 12GA fuse link)
 
Glow plug relay is damaged or it has failed
 

Trouble Code: P0674



Cylinder 4 Glow Plug Circuit

Possible Causes:



Glow plug lamp circuit is open or shorted to ground
 
Glow plug relay control circuit is open or shorted to ground
 
Glow plug relay power circuit is open (test the 12GA fuse link)
 
Glow plug relay is damaged or it has failed
 

Trouble Code: P0684



Glow Plug Control Module to PCM Communication Circuit Range/Performance

Possible Causes:



Glow plug lamp circuit is open or shorted to ground
 
Glow plug relay control circuit is open or shorted to ground
 
Glow plug relay power circuit is open (test the 12GA fuse link)
 
Glow plug relay is damaged or it 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
 

 
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