Obdaryn

P0C2FInternal Control Module Drive Motor/Generator - Engine Speed Sensor Performance

  • Generic OBD-II code · Powertrain
  • Turns on the check-engine light
  • Matters for the ITP
  • Can trigger limp mode
How the car detects it
P0C2F is an internal plausibility check of the hybrid control processor: the engine speed it reads through its own sensor path must match other speed information. In GM's Two-Mode truck tables (12OBDG06, 13OBDG06) the HCP compares its SPI-sensed engine speed with the calculated transmission input speed and with the engine speed received over CAN; a deviation beyond 250 rpm above 1500 rpm, with a wider band at lower speed, in 160 of 320 samples sets it as Type A, MIL after one trip. Ford uses it on the 2021–2023 Mustang Mach-E as P0C2F:92 in the secondary OBD module C, paired with a 1 Pedal Drive fault message; bulletin 24-2187 fixes it by reprogramming the powertrain modules. Real sensor circuit faults have their own codes.
What you may notice
  • MIL or hybrid system warning
  • One pedal drive or regenerative functions switched off (Ford Mach-E)
  • Reduced hybrid assist or limited power
Likely causes
  • LikelyControl module software flagging the comparison falsely (Ford Mach-E, fixed by reprogramming)
  • PossibleSpeed signals disagree because of a faulty input or a disturbed CAN signal
  • RareInternal fault of the hybrid control module
Inspection (ITP)
Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
Repair
Workshop only · Usually a job for a workshop.Typical cost: €80 – €1,500

Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.