DTC P20C2 (Pcm) - REDUCTANT Heater C Control Performance
WARNING: This page is about a different variant/trim than selected.
P20C2 (PCM) - REDUCTANT HEATER C CONTROL PERFORMANCE
| Description: | The PCM carries out a functional key ON, engine running (KOER) self-test for the glow plug system. During that test the PCM enables the glow plug control module (GPCM) which monitors the RDHTRPWR circuit. When the GPCM detects that the RDHTRPWR circuit is less than 5 volts, the GPCM sends a message to the PCM which sets this DTC. | ||
| Possible Causes: |
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| Diagnostic Aids: | The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RH . | ||