P2612
A/C Refrigerant Distribution Valve A Control Circuit Low
Voltage on the A/C distribution valve A control line is below the expected window. Usually a short to ground or a shorted solenoid coil.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Control wire shorted to groundCommon
- Internal short in the valve solenoidPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- AC Distribution Valve A
- Valve Solenoid
- Wiring Harness
P2612 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.