P1654
Instrumentation Control Module System Malfunction
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)
Symptoms
- Incorrect operation of the dashboard
- No speedometer/tachometer readings
- Flashing or non-functioning indicators
- Random activation of warning lamps
Causes
- Instrument panel module malfunction
- Open or short circuit in wiring harness
- Module power problems
- Contact corrosion
- Problems with the CAN bus
How to Fix
- Check the power supply and ground of the module
- Inspect the wiring harness for damage
- Check CAN bus connections
- Test or replace instrument panel module