All codes/U0158

U0158

Lost Communication with Head Up Display

Moderate severity

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.

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.

Common causes

  • HUD module unpowered

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $90-1650

  • CAN wiring to HUD broken

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $90-1650

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does U0158 mean?

U0158 means "Lost Communication with Head Up Display". It is a generic OBD-II code that points to a fault in the network / communication.

What are the most common causes of U0158?

hud module unpowered; can wiring to hud broken; gateway module routing can messages incorrectly — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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