Possible causes

– Engine Control Module (ECM) Programming error
– Odometer not programmed to ECM
– Faulty or wrong ECM

Tech notes

If a new ECM/PCM is installed in a vehicle, the mileage has to be reprogrammed to the new ECM/PCM

When is the code detected?

Mileage on odometer does not agree with mileage in Engine Control Module (ECM) or Powertrain Control Module (PCM)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0632 CHRYSLER Description

On some vehicle the mileage on odometer is stored in the Engine Control Module (ECM) or Powertrain Control Module (PCM).