AutoCodes – Chevrolet – B269A Chevrolet

B269A Chevrolet Code - Heater Coolant Pump Control Circuit Open

Quick Answer

The coolant heater pump is controlled by a relay. Common causes include Faulty Heater Coolant Pump, Heater Coolant Pump harness is open or shorted, Heater Coolant Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B269A Chevrolet indicates Heater Coolant Pump Control Circuit Open.
Common causes: Common causes include Faulty Heater Coolant Pump, Heater Coolant Pump harness is open or shorted, Heater Coolant Pump circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 7,994

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 29, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B269A Chevrolet Description

The coolant heater pump is controlled by a relay. When operating conditions exist that require coolant flow when the engine is not operating, the Heating, Ventilation, and Air Conditioning (HVAC) control module turns ON the heater coolant pump by applying ground to the relay control circuit which energizes the heater coolant pump relay.

OBDII Code B269A Chevrolet - Heater Coolant Pump Control Circuit Open - AutoCodes.com — B269A Chevrolet Code - Heater Coolant Pump Control Circuit Open

What does this mean?

What are the Possible Causes of the DTC B269A Chevrolet?

Faulty Heater Coolant Pump
Heater Coolant Pump harness is open or shorted
Heater Coolant Pump circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC B269A Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B269A Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B269A Chevrolet code?

Need more information on how to fix the B269A Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B269A Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

B269A 2014 Chevrolet Silverado — Heater Coolant Pump Control Circuit Open
B269A 2015 Chevrolet Silverado — Heater Coolant Pump Control Circuit Open
B269A 2016 Chevrolet Silverado — Heater Coolant Pump Control Circuit Open
B269A 2017 Chevrolet Silverado — Heater Coolant Pump Control Circuit Open
B269A 2018 Chevrolet Silverado — Heater Coolant Pump Control Circuit Open

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B269A Chevrolet Code

What does the OBDII code B269A mean for my Chevrolet?

The code B269A indicates an issue with the heater coolant pump control circuit, specifically that the circuit is open, meaning there is a break in the electrical connection or the pump is not receiving power.

What are the common symptoms associated with code B269A?

Common symptoms include overheating of the engine, inadequate cabin heating, illuminated check engine light, and possible coolant leaks from the pump area.

What could cause the B269A code to trigger?

Causes may include a faulty heater coolant pump, damaged wiring or connectors in the control circuit, blown fuses, or a malfunctioning engine control module (ECM).

How can I diagnose the issue related to the B269A code?

To diagnose, check for related trouble codes, inspect the heater coolant pump and wiring for damage, test the pump operation, and verify that the ECM is functioning correctly.

What steps can I take to fix the B269A code?

Fixes may involve repairing or replacing damaged wires or connectors, replacing the heater coolant pump if it is faulty, and checking or replacing any blown fuses.

Is it safe to drive my vehicle with the B269A code?

Driving with this code may not be safe, as it can lead to overheating and potential engine damage. It is advisable to address the issue as soon as possible.

Will clearing the code B269A solve the problem temporarily?

Clearing the code may temporarily turn off the check engine light, but the underlying issue will likely cause the code to return if not properly repaired.

Can I repair the heater coolant pump myself?

If you have experience with automotive repair and electrical systems, you may be able to replace the heater coolant pump yourself, but ensure you follow proper safety protocols and guidelines.

How much might it cost to fix the B269A code?

Repair costs can vary widely depending on the specific issue, labor rates, and parts needed, but expect to pay anywhere from $100 to $500 or more for repairs.