Invalid Data Received From Auxiliary Heater Control
The U0510 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Auxiliary Heater Control. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $200 - $700
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Common Symptoms
- Auxiliary heater not starting
- Heater control fault message
- Reduced cabin heating
- Pre-heater timer malfunction
Probable Causes (Ranked by Likelihood)
- Auxiliary heater control module fault Very High
- Fuel supply issue to auxiliary heater High
- Glow plug failure in auxiliary heater Moderate
- CAN bus communication loss Low
Step-by-Step Diagnostic Procedure
-
Scan auxiliary heater module for stored codes
-
Check fuel supply line to auxiliary heater
-
Test glow plug resistance
-
Verify CAN bus communication at heater module
Frequently Asked Questions
Can I drive with U0510?
Check the severity. If it affects safety systems like stability control or braking, limit driving to short distances. Comfort features like heaters or parking assist are safe to drive with.
What causes U0510?
Most commonly a faulty auxiliary heater control or damaged wiring in the communication circuit to that module.
How much does it cost to fix U0510?
Typical repair costs range from $200 - $700 depending on whether the module or just wiring needs repair.
Sources
This page is built from documented references. Verify against your own service info before repair work.
Explore More
Was this helpful?
Share carcodefinder.com with a friend who needs to decode their check engine light.