OBD Guide

P0C73

Motor Electronics Coolant Pump A Control Performance

P0C73 is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Pump A Control Performance. Common causes: electronic coolant pump malfunction, open or short circuit in the pump control circuit. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Engine overheating
  • Unstable engine operation
  • Turning on the Check Engine Light
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Electronic coolant pump malfunction
  • Open or short circuit in the pump control circuit
  • Problems with the pump connector
  • Engine control unit malfunction
  • Mechanical jamming of the pump

How to Fix

  1. Check the operation of the coolant pump
  2. Check the integrity of the pump control circuit
  3. Inspect the pump connectors and connections
  4. Check control signals from the computer
  5. If necessary, replace the coolant pump

Related codes

Error P0C73 by Vehicle Brand

FAQ

What does the P0C73 code mean?

P0C73 is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Pump A Control Performance

What causes a P0C73 error code?

The most common causes of P0C73 include: Electronic coolant pump malfunction; Open or short circuit in the pump control circuit; Problems with the pump connector; Engine control unit malfunction.

How do I fix a P0C73 diagnostic trouble code?

To fix P0C73: Check the operation of the coolant pump. Check the integrity of the pump control circuit. Inspect the pump connectors and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C73?

Do not drive โ€” repair immediately

How much does it cost to fix P0C73?

The estimated repair cost for P0C73 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat