U1526
Body Control Module Lost Communication With Rear Seat Heating Control Module On LIN Bus
U1526 is an OBD-II diagnostic trouble code meaning: Body Control Module Lost Communication With Rear Seat Heating Control Module On LIN Bus. Common causes: open or short circuit in the lin bus, malfunction of the rear seat heating module. Estimated repair cost: $33–167.
Symptoms
- Heated rear seats do not work
- The heated seat indicator does not turn on
- Error message on the dashboard
- Other systems connected to the LIN bus may not work correctly
Causes
- Open or short circuit in the LIN bus
- Malfunction of the rear seat heating module
- Problems with power supply to the heating module
- Body Control Module (BCM) Malfunction
- Poor contact in connectors
How to Fix
- Check the integrity of the LIN bus and connections
- Check the power supply and ground of the heating module
- Check the serviceability of the rear seat heating module
- Check the condition of the body control unit
- Scan other modules for LIN bus errors
Related codes
FAQ
What does the U1526 code mean?
U1526 is an OBD-II diagnostic trouble code that indicates: Body Control Module Lost Communication With Rear Seat Heating Control Module On LIN Bus
What causes a U1526 error code?
The most common causes of U1526 include: Open or short circuit in the LIN bus; Malfunction of the rear seat heating module; Problems with power supply to the heating module; Body Control Module (BCM) Malfunction.
How do I fix a U1526 diagnostic trouble code?
To fix U1526: Check the integrity of the LIN bus and connections. Check the power supply and ground of the heating module. Check the serviceability of the rear seat heating module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1526?
Yes, but get it checked soon
How much does it cost to fix U1526?
The estimated repair cost for U1526 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat