Volkswagen Jetta P0606:  ECM/PCM → Processor Fault

P0606 is a generic OBD II code.  Which means that it has the same meaning for the Volkswagen Jetta that it would for any other vehicle.  If your Jetta has P0606 it’s highly likely that the ECM/PCM (engine or powertrain control module, they mean the same thing) has failed. The PCM regularly performs a self … Read more

Volkswagen Jetta P0603: Keep Alive Memory → Error

P0603 is a generic OBD2 trouble code.  It indicates that your Volkswagen Jetta’s keep alive memory has had an error. Keep alive memory is the data that your Jetta’s PCM (Powertrain Control Module) has learned about how your engine conditions.  All of this sensor and driving input data is used to keep it operating efficiently. … Read more

Volkswagen Jetta P0123: TPS “A” Circuit → High Input

  P0123 is a relatively common OBD-II code.  It’s generic, which means it has the same meaning for the Volkswagen Jetta as it would any other vehicle. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited. The … Read more