U2116
Lost Communication With Instrument Panel Cluster
U2116 is an OBD-II diagnostic trouble code meaning: Lost Communication With Instrument Panel Cluster. Common causes: broken or damaged can bus wires, poor contact in dashboard connectors. Estimated repair cost: $17–167.
Symptoms
- The speedometer and tachometer do not work or show incorrect data
- Check Engine Light Is On or Flashing
- Dashboard backlight does not work
- Warning messages are not displayed
- Problems with other systems connected via CAN bus
Causes
- Broken or damaged CAN bus wires
- Poor contact in dashboard connectors
- Instrument panel unit malfunction
- Fuse or power problems
- Short circuit in instrument panel circuit
How to Fix
- Check fuses associated with the instrument panel
- Inspect the wiring harness and connectors for damage.
- Check for power and ground on the dashboard
- Scan other modules for communication errors
- If necessary, replace the instrument panel unit
Related codes
FAQ
What does the U2116 code mean?
U2116 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Instrument Panel Cluster
What causes a U2116 error code?
The most common causes of U2116 include: Broken or damaged CAN bus wires; Poor contact in dashboard connectors; Instrument panel unit malfunction; Fuse or power problems.
How do I fix a U2116 diagnostic trouble code?
To fix U2116: Check fuses associated with the instrument panel. Inspect the wiring harness and connectors for damage.. Check for power and ground on the dashboard. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2116?
Do not drive — repair immediately
How much does it cost to fix U2116?
The estimated repair cost for U2116 is $17–167. Actual cost depends on your vehicle, location, and labor rates.
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