U0155
Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0155 is an OBD-II diagnostic trouble code meaning: Lost Communication With Instrument Panel Cluster (IPC) Control Module. Common causes: open or short circuit in wiring harness, poor contact in dashboard connectors. Estimated repair cost: $33–167.
Symptoms
- Instruments on the panel do not work or show incorrect data
- Check Engine Light Is On
- No dashboard backlight
- Speedometer and tachometer do not work
- Warning messages are not displayed
Causes
- Open or short circuit in wiring harness
- Poor contact in dashboard connectors
- Instrument panel module malfunction
- Blown fuse
- CAN bus problems
How to Fix
- Check and replace blown fuses
- Inspect connectors and wiring harness for damage
- Check the power and ground of the instrument panel module
- Scan other modules for communication errors
- If necessary, replace the instrument panel module
Related codes
Error U0155 by Vehicle Brand
FAQ
What does the U0155 code mean?
U0155 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Instrument Panel Cluster (IPC) Control Module
What causes a U0155 error code?
The most common causes of U0155 include: Open or short circuit in wiring harness; Poor contact in dashboard connectors; Instrument panel module malfunction; Blown fuse.
How do I fix a U0155 diagnostic trouble code?
To fix U0155: Check and replace blown fuses. Inspect connectors and wiring harness for damage. Check the power and ground of the instrument panel module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0155?
Do not drive — repair immediately
How much does it cost to fix U0155?
The estimated repair cost for U0155 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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