OBD Guide

P0CE9

Hybrid/EV Electronics Coolant Pump A Control Circuit/Open

P0CE9 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Electronics Coolant Pump A Control Circuit/Open. Common causes: broken wiring in the pump control circuit, pump motor malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Check Engine Light Is On
  • Hybrid system power reduction
  • Overheating of electronic components
  • The car goes into emergency mode
  • Noise or lack of operation of the cooling pump

Causes

  • Broken wiring in the pump control circuit
  • Pump motor malfunction
  • Relay or fuse problems
  • Poor contact in connectors
  • Malfunction of the hybrid system control module

How to Fix

  1. Check fuses and pump relays
  2. Inspect the wiring harness for damage
  3. Check the pump connectors for corrosion and tight connections.
  4. Test the operation of the pump with the ignition on
  5. Check pump parameters via OBD-II scanner

Related codes

Error P0CE9 by Vehicle Brand

FAQ

What does the P0CE9 code mean?

P0CE9 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Electronics Coolant Pump A Control Circuit/Open

What causes a P0CE9 error code?

The most common causes of P0CE9 include: Broken wiring in the pump control circuit; Pump motor malfunction; Relay or fuse problems; Poor contact in connectors.

How do I fix a P0CE9 diagnostic trouble code?

To fix P0CE9: Check fuses and pump relays. Inspect the wiring harness for damage. Check the pump connectors for corrosion and tight connections.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0CE9?

Limited driving only, diagnose soon

How much does it cost to fix P0CE9?

The estimated repair cost for P0CE9 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat