FixVault

DTC P1612/18020 - Pcm Incorrectly Coded

  1. If DTC P1606/18014 is not also set in memory, go to next step. If DTC P1606/18014 is also set in memory, PCM is incorrectly coded. Vehicle is equipped with traction control, but PCM coding was done for a vehicle without traction control. Properly code PCM test drive vehicle. See PCM CODING  . If DTC sets again, go to next step.
  2. PCM is incorrectly coded. Vehicle is equipped with an automatic transmission, but PCM coding was done for a vehicle with a manual transmission. Properly code PCM test drive vehicle. See PCM CODING  .