OBD-II code · Powertrain (generic, extended)
P23CE Fuel Heater Control Module Feedback Signal Performance
Same as P23CD with feedback in plausible range yet not matching the commanded heater state.
Is it safe to drive with P23CE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyFeedback signal drifted
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.6–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Heater Control Module
Related codes
- P23CBFuel Rail Heater Control Circuit Low
- P23CCFuel Rail Heater Control Circuit High
- P23CDFuel Heater Control Module Feedback Signal Open
- P23CFFuel Heater Control Module Feedback Signal Circuit Low
- P23D0Fuel Heater Control Module Feedback Signal Circuit High
- P23D1Cylinder 1 Fuel Heater Control Circuit Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.