U2506
Invalid Data Received From Dual Battery Control Module
U2506 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Dual Battery Control Module. Common causes: problems with the wiring harness to the module, dual battery control module malfunction. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced electrical system performance
- Problems starting the engine
- Errors in the operation of additional electrical equipment
- Reduced hybrid system efficiency (if applicable)
Causes
- Problems with the wiring harness to the module
- Dual Battery Control Module Malfunction
- Poor contact in connectors
- Software error in the module
- Module power problems
How to Fix
- Check the integrity of the wiring harness
- Inspect and clean the connector contacts
- Check the module supply voltage
- Flash or replace the control module
- Repair only from an authorized dealer
Related codes
FAQ
What does the U2506 code mean?
U2506 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Dual Battery Control Module
What causes a U2506 error code?
The most common causes of U2506 include: Problems with the wiring harness to the module; Dual Battery Control Module Malfunction; Poor contact in connectors; Software error in the module.
How do I fix a U2506 diagnostic trouble code?
To fix U2506: Check the integrity of the wiring harness. Inspect and clean the connector contacts. Check the module supply voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2506?
Yes, but get it checked soon
How much does it cost to fix U2506?
The estimated repair cost for U2506 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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