OBD Guide

B269C

Heater Coolant Pump Control Circuit Low

B269C is an OBD-II diagnostic trouble code meaning: Heater Coolant Pump Control Circuit Low. Common causes: open or short circuit in wiring harness, coolant pump malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Engine overheating
  • Unstable engine operation
  • Check Engine Light Turning On

Causes

  • Open or short circuit in wiring harness
  • Coolant pump malfunction
  • Problems with the engine control unit (ECU)
  • Contact corrosion

How to Fix

  1. Check the wiring harness for damage
  2. Check the operation of the coolant pump
  3. Check contacts and connectors
  4. Test the engine control unit (ECU)

Related codes

FAQ

What does the B269C code mean?

B269C is an OBD-II diagnostic trouble code that indicates: Heater Coolant Pump Control Circuit Low

What causes a B269C error code?

The most common causes of B269C include: Open or short circuit in wiring harness; Coolant pump malfunction; Problems with the engine control unit (ECU); Contact corrosion.

How do I fix a B269C diagnostic trouble code?

To fix B269C: Check the wiring harness for damage. Check the operation of the coolant pump. Check contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B269C?

Limited driving only, diagnose soon

How much does it cost to fix B269C?

The estimated repair cost for B269C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat