OBD-II code · Network
U0158 Lost Communication with Head Up Display
The Head Up Display has stopped transmitting on the vehicle data bus, so other control units no longer receive its messages. The head-up display stops showing information. Typical causes are loss of power or ground at the module, an open or shorted CAN/LIN bus wire, a connector fault, or an internal module failure.
Is it safe to drive with U0158?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyHUD module unpowered
- PossibleCAN wiring to HUD broken
- Less likelyGateway module routing CAN messages incorrectly
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Head Up Display Module, Can Bus Wiring
Related codes
- U0155Lost Communication with Instrument Panel Cluster
- U0156Lost Communication with Information Center "A"
- U0157Lost Communication with Personalization Control Module
- U0159Lost Communication with Parking Assist Module
- U015ALost Communication With Anti-Lock Brake System (ABS) Control Module B
- U015BLost Communication With Power Steering Control Module B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.