Powertrain, generic · Hybrid propulsion

P0D7E A/C Compressor Motor Phase W Current Low

Check engine lightOn
EmissionsNot relevant
Drive cycleRequired
Limp modeNo

P0D7E applies to phase W, the third winding of the electric A/C compressor motor. GM's 2011–2015 Volt and 2016 Cadillac ELR check the W-phase current sensor while the motor is at rest: a reading of +68 A or more in 30 out of 60 samples at 50 ms sets the code, Type B with the MIL after two trips, and only a 12 V reset re-enables a pass. With all three phase sensors tested the same way, a fault on just one phase points to that sensor channel on the inverter board, while faults on several phases at once suggest a common supply or reference problem in the inverter. The compressor stays off. P0D7F is the negative direction on phase W; P0D7A and P0D7C cover the other two phases.

Likely causes

Offset or failure of the phase W current sensor channel
Common supply or reference fault in the inverter (several phases affected)

Symptoms

  • Check engine light after two trips
  • Air conditioning does not run

Repair estimate

DifficultyShop_onlyWorkshop job
Parts and labour€150–2,500
Time1–5 h

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

Parts involved

ac compressor motor phase winverter

Related codes

P0D7FP0D7AP0D7CP0D6F

References: gsi.ext.gm.com, gsi.ext.gm.com, gsi.ext.gm.com.