P0A07

Motor Electronics Coolant Pump A Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Engine overheating
Check engine light comes on
Reduced engine performance
Unstable engine operation at idle
Increased fuel consumption

Causes

Open or short circuit in the pump control circuit
Coolant pump relay malfunction
Problems with the engine control unit (ECU)
Malfunction of the coolant pump itself
Poor contact in control circuit connectors

How to Fix

Check the integrity of the pump control circuit
Check the functionality of the pump relay
Diagnose the engine control unit
Check the condition of the coolant pump
Clean and check all contacts in the control circuit

Related codes

P0A08 P0A09 P0A0A