Powertrain Definition only Lights the check engine lamp

P2612: A/C Refrigerant Distribution Valve A Control Circuit Low

Standardized SAE J2012 code · P26xx — Computer and output circuits

What does P2612 mean?

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.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Common causes

  • High Control wire shorted to ground
  • Medium Internal short in the valve solenoid
  • Low Connector pins corroded - high contact resistance

Likelihood is a general estimate across vehicles; your make and model may differ.

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