Powertrain, generic · Hybrid propulsion

P0C6B Generator Position Sensor Circuit B Low

Check engine lightOn
EmissionsRelevant
Drive cycleNot required
Limp modePossible

P0C6B tells you that circuit B of the generator resolver, the cosine winding, reads too low. In the 2023 Outlander PHEV, Mitsubishi stores it if the cosine signal is no higher than 2.000 V throughout 0.21 s; the test never pauses while the generator control unit receives 8 V or more. To confirm a repair, the matching drive cycle only asks for the power supply mode to be switched ON and a wait of five seconds or more. Likely causes are a cosine lead with a short to ground, a pinched harness near the transaxle or a failing winding. If the resolver circuit tests fine and the code returns, Mitsubishi fits a new power drive unit and, once the EV oil cooling has been checked, a new generator. P0C66 is the sine-side twin, P0C6C the high reading on the same line.

Likely causes

Cosine lead of the resolver shorted to ground
Pinched or crushed resolver harness near the transaxle
Shorted cosine winding in the generator resolver
Faulty cosine input in the power drive unit

Symptoms

  • Malfunction indicator lamp right after switching on
  • No charging of the drive battery by the engine
  • Reduced performance in hybrid mode

Repair estimate

DifficultyShop_onlyWorkshop job
Parts and labour€100–6,000
Time1–10 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

generator position sensor bwiring harnesshybrid control module

Related codes

P0C69P0C6CP0C66P0A4D

References: mitsubishitechinfo.com, mitsubishitechinfo.com, patents.google.com.