P0EBB is the general circuit code for the compressor's phase V current sensor, numbered after the W-phase codes instead of at the start of the V series. The module receives no usable V-phase value at all and does not classify it further as high, low or implausible. Without that value the field-oriented control of the three-phase motor cannot work, so the drive stops. No manufacturer documents P0EBB publicly. GM's 2011 Volt monitored the phase sensors of its compressor at standstill under older codes (P0D7C and P0D7D for phase V, plus or minus 68 A, Type B). Causes are an open sensing path, a loose internal plug or a failed sensor or board. Detailed V-phase faults are P0EB5 to P0EB7; the general U and W circuit codes are P0EB1 and P0EC0.
Low severity. Can I keep driving?Yes, you can keep driving. The air conditioning may not work.
Symptoms
- Compressor does not run
- Air conditioning and possibly battery cooling unavailable
Most likely causes
- Failed phase V sensor or inverter board
- Open phase V sensing path
- Loose internal plug between sensor and board
What to check, in order
Start with the simplest. You can tick off each step.
What each character of P0EBB means
- P: Powertrain: engine and transmission
- 0: Generic code: same on every make
- E: Subsystem depends on the code range
- BB: Specific fault in that system
Frequently asked questions
Can I keep driving with code P0EBB?
Yes, you can keep driving. The air conditioning may not work.
What causes code P0EBB?
The most common causes are: failed phase V sensor or inverter board; open phase V sensing path; loose internal plug between sensor and board.
Related codes
- P0EB5A/C Compressor Motor Phase V Current Sensor Circuit High
- P0EB6A/C Compressor Motor Phase V Current Sensor Circuit Low
- P0EB7A/C Compressor Motor Phase V Current Sensor Range/Performance
- P0EB1A/C Compressor Motor Phase U Current Sensor Circuit
- P0EC0A/C Compressor Motor Phase W Current Sensor Circuit
- P0D7CA/C Compressor Motor Phase V Current Low
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.