P2CE1
Intake Air Heater C Circuit/Open
The control circuit of intake air heater C reports a circuit/open condition. Cold-start preheating cannot be commanded as expected.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Open in heater control wireCommon
- Open heater elementPossible
- Pin pushed back out of connector bodyLess likely
Parts involved
- Intake Air Heater C
- Wiring Harness
- ECM
P2CE1 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.