Error code
OBD2 P0A05
OBD2P0A05
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Motor Electronics Coolant Pump Control Circuit/Open.
Severity
moderateCan be driven, but overheating may occur if not addressed.
Summary
P0A05 indicates an issue with the control circuit of the coolant pump 'A' in the motor electronics. This code is related to the electrical system controlling the coolant pump.
Common Causes
- Open or disconnected wiring in the coolant pump control circuit
- Faulty coolant pump relay
Fixes
- Inspect and repair any open or disconnected wiring in the coolant pump control circuit.
FAQ
What does P0A05 mean?
P0A05 indicates an issue with the control circuit of the coolant pump 'A' in the motor electronics.
How serious is P0A05?
Moderately serious. The vehicle can be driven, but overheating may occur if not addressed.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0A00Motor Electronics Coolant Temperature Sensor Circuit
- P0A01Motor Electronics Coolant Temperature Sensor Circuit Range/Performance
- P0A02Motor Electronics Coolant Temperature Sensor Circuit Low
- P0A03Motor Electronics Coolant Temperature Sensor Circuit High
- P0A04Motor Electronics Coolant Temperature Sensor Circuit Intermittent
- P0A06Motor Electronics Coolant Pump Control Circuit Low
- P0A07Motor Electronics Coolant Pump Control Circuit High
- P0A08DC/DC Converter Status Circuit
- P0A09DC/DC Converter Status Circuit Low Input
- P0A10DC/DC Converter Status Circuit High Input
- P0A11DC/DC Converter Enable Circuit/Open
- P0A12DC/DC Converter Enable Circuit Low