OBD Guide

B269D

Heater Coolant Pump Control Circuit High

B269D is an OBD-II diagnostic trouble code meaning: Heater Coolant Pump Control Circuit High. Common causes: short circuit in pump control circuit, faulty coolant pump. Estimated repair cost: $56–167.

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

Symptoms

  • Malfunction of the interior heating system
  • Poor engine warm-up
  • Engine overheating (in rare cases)
  • Check Engine light comes on

Causes

  • Short circuit in pump control circuit
  • Faulty coolant pump
  • Broken or damaged wires
  • Oxidation of contacts in connectors
  • Problems with the ECU

How to Fix

  1. Check pump circuit fuses
  2. Measure voltage and resistance in the control circuit
  3. Inspect the coolant pump for mechanical damage
  4. Check connectors and wiring
  5. If necessary, replace the pump or repair damaged wires

Related codes

FAQ

What does the B269D code mean?

B269D is an OBD-II diagnostic trouble code that indicates: Heater Coolant Pump Control Circuit High

What causes a B269D error code?

The most common causes of B269D include: Short circuit in pump control circuit; Faulty coolant pump; Broken or damaged wires; Oxidation of contacts in connectors.

How do I fix a B269D diagnostic trouble code?

To fix B269D: Check pump circuit fuses. Measure voltage and resistance in the control circuit. Inspect the coolant pump for mechanical damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B269D?

Limited driving only, diagnose soon

How much does it cost to fix B269D?

The estimated repair cost for B269D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat