OBD Guide

B269A

Heater Coolant Pump Control Circuit Open

B269A is an OBD-II diagnostic trouble code meaning: Heater Coolant Pump Control Circuit Open. Common causes: broken or damaged wiring harness, heater pump malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The interior heater does not work
  • Poor interior heating
  • Engine overheating
  • Check Engine light comes on

Causes

  • Broken or damaged wiring harness
  • Heater pump malfunction
  • Problems with the control unit
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the operation of the heater pump
  3. Diagnose the control unit
  4. Replace damaged components

Related codes

FAQ

What does the B269A code mean?

B269A is an OBD-II diagnostic trouble code that indicates: Heater Coolant Pump Control Circuit Open

What causes a B269A error code?

The most common causes of B269A include: Broken or damaged wiring harness; Heater pump malfunction; Problems with the control unit; Short circuit in the circuit.

How do I fix a B269A diagnostic trouble code?

To fix B269A: Check the integrity of the wiring harness. Check the operation of the heater pump. Diagnose the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B269A?

Limited driving only, diagnose soon

How much does it cost to fix B269A?

The estimated repair cost for B269A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat