OBD-II code · Powertrain (generic)
P0C9D 14 Volt Power Module Current Sensor B Circuit Range/Performance
The ECM detects a range/performance fault on the 14 volt power module current sensor b circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0C9D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor characteristic drifted
- PossibleSensor mounting displaced
- Less likelySensor element aged beyond calibration window
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Pm14v Current Sensor B, Wiring Harness, Dcdc Converter
Related codes
- P0A8714 Volt Power Module Current Sensor A Circuit Range/Performance
- P0C9AHybrid/EV Battery Temperature Sensor L Circuit High
- P0C9BHybrid/EV Battery Temperature Sensor L Circuit Intermittent/Erratic
- P0C9C14 Volt Power Module Current Sensor B Circuit
- P0C9E14 Volt Power Module Current Sensor B Circuit Low
- P0C9F14 Volt Power Module Current Sensor B Circuit High
- P0CA014 Volt Power Module Current Sensor B Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.