VW Code 155
155 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection system air flow/pressure sensor bank 2, circuit range / performance retarded timing position, the engine might refuse to start torque management request input signal b, high or change reductant injection valve bank 1 unit 1, circuit / open is the final reason of the code. |
155 Possible Causes:
155 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 155 Code
- Inspect all the connections glow plug / heater relay, circuit open / short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns