OBD Guide

P2B69

Coolant Pump D Supply Voltage Circuit

P2B69 is an OBD-II diagnostic trouble code meaning: Coolant Pump D Supply Voltage Circuit. Common causes: open or short circuit in the pump power supply circuit, faulty pump relay or fuse. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Engine overheating
  • Reduced engine power
  • Unstable operation of the cooling system
  • Coolant pump noise

Causes

  • Open or short circuit in the pump power supply circuit
  • Faulty pump relay or fuse
  • Poor contact in pump connectors
  • Malfunction of the coolant pump itself
  • Problems with the engine control unit

How to Fix

  1. Check the coolant pump fuse and relay
  2. Inspect the wiring harness and connectors for damage.
  3. Check the voltage at the pump terminals
  4. Test the operation of the coolant pump
  5. If necessary, replace the coolant pump

Related codes

Error P2B69 by Vehicle Brand

FAQ

What does the P2B69 code mean?

P2B69 is an OBD-II diagnostic trouble code that indicates: Coolant Pump D Supply Voltage Circuit

What causes a P2B69 error code?

The most common causes of P2B69 include: Open or short circuit in the pump power supply circuit; Faulty pump relay or fuse; Poor contact in pump connectors; Malfunction of the coolant pump itself.

How do I fix a P2B69 diagnostic trouble code?

To fix P2B69: Check the coolant pump fuse and relay. Inspect the wiring harness and connectors for damage.. Check the voltage at the pump terminals. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B69?

Limited driving only, diagnose soon

How much does it cost to fix P2B69?

The estimated repair cost for P2B69 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat