B3A0D: A/C Refrigerant Expansion Valve Actuator Control Circuit High — what it means, the affected system and what to check before replacing parts.
A/C Refrigerant Expansion Valve Actuator Control Circuit High. Source catalogue definition; confirm applicability using vehicle service information.
Affected system: Body
Also written as: B3A0D-00, B3A0D00 (some scan tools add the fault-type byte, e.g. -00).