OBD Guide

P0A07

Motor Electronics Coolant Pump A Control Circuit High

P0A07 is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Pump A Control Circuit High. Common causes: open or short circuit in the pump control circuit, coolant pump relay malfunction. Estimated repair cost: $17–89.

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

  1. Check the integrity of the pump control circuit
  2. Check the functionality of the pump relay
  3. Diagnose the engine control unit
  4. Check the condition of the coolant pump
  5. Clean and check all contacts in the control circuit

Related codes

Error P0A07 by Vehicle Brand

FAQ

What does the P0A07 code mean?

P0A07 is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Pump A Control Circuit High

What causes a P0A07 error code?

The most common causes of P0A07 include: 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.

How do I fix a P0A07 diagnostic trouble code?

To fix P0A07: Check the integrity of the pump control circuit. Check the functionality of the pump relay. Diagnose the engine control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A07?

Limited driving only, diagnose soon

How much does it cost to fix P0A07?

The estimated repair cost for P0A07 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat