U15F1
Human Machine Interface Control Module Lost Communication With Human Machine Interface Control Module Bypass Module On LIN Bus
U15F1 is an OBD-II diagnostic trouble code meaning: Human Machine Interface Control Module Lost Communication With Human Machine Interface Control Module Bypass Module On LIN Bus. Common causes: open or short circuit in the lin bus circuit, oxidized or damaged connectors. Estimated repair cost: $56–278.
Symptoms
- Dashboard controls do not work or freeze
- Problems with the multimedia system
- Error warning on display
- Voice commands are not working properly
- Some comfort functions do not work
Causes
- Open or short circuit in the LIN bus circuit
- Oxidized or damaged connectors
- Faulty main HMI module
- Problems with the HMI bypass module
- Problems with module power supply
How to Fix
- Check the integrity of the LIN bus wires
- Inspect and clean all associated connectors
- Check power and ground of HMI modules
- Scan the system for other related trouble codes
- If necessary, replace the faulty module
- Repair only from an authorized dealer
Related codes
FAQ
What does the U15F1 code mean?
U15F1 is an OBD-II diagnostic trouble code that indicates: Human Machine Interface Control Module Lost Communication With Human Machine Interface Control Module Bypass Module On LIN Bus
What causes a U15F1 error code?
The most common causes of U15F1 include: Open or short circuit in the LIN bus circuit; Oxidized or damaged connectors; Faulty main HMI module; Problems with the HMI bypass module.
How do I fix a U15F1 diagnostic trouble code?
To fix U15F1: Check the integrity of the LIN bus wires. Inspect and clean all associated connectors. Check power and ground of HMI modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U15F1?
Yes, but get it checked soon
How much does it cost to fix U15F1?
The estimated repair cost for U15F1 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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