U1518
Instrument Cluster Lost Communication With Head-Up Display Module/Head-Up Display On LIN Bus
U1518 is an OBD-II diagnostic trouble code meaning: Instrument Cluster Lost Communication With Head-Up Display Module/Head-Up Display On LIN Bus. Common causes: open or short circuit in lin circuit, poor contact in hud module or instrument panel connectors. Estimated repair cost: $56–278.
Symptoms
- Head-up display (HUD) does not work
- Head-up display is intermittent
- Incorrect display of information on the HUD
- The Check Engine or other systems light comes on
- Errors in other LIN bus systems
Causes
- Open or short circuit in LIN circuit
- Poor contact in HUD module or instrument panel connectors
- Head-up display module malfunction
- HUD module power problems
- Software error in one of the modules
How to Fix
- Check the integrity of the LIN bus wiring
- Inspect and clean the contacts in the connectors
- Check the power and ground of the HUD module
- Scan other modules for errors
- Update module software
Related codes
FAQ
What does the U1518 code mean?
U1518 is an OBD-II diagnostic trouble code that indicates: Instrument Cluster Lost Communication With Head-Up Display Module/Head-Up Display On LIN Bus
What causes a U1518 error code?
The most common causes of U1518 include: Open or short circuit in LIN circuit; Poor contact in HUD module or instrument panel connectors; Head-up display module malfunction; HUD module power problems.
How do I fix a U1518 diagnostic trouble code?
To fix U1518: Check the integrity of the LIN bus wiring. Inspect and clean the contacts in the connectors. Check the power and ground of the HUD module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1518?
Yes, but get it checked soon
How much does it cost to fix U1518?
The estimated repair cost for U1518 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat