OBD Guide
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P1654

Instrumentation Control Module System Malfunction

P1654 is an OBD-II diagnostic trouble code meaning: Instrumentation Control Module System Malfunction. Common causes: instrument panel module malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can 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

  1. Check the power supply and ground of the module
  2. Inspect the wiring harness for damage
  3. Check CAN bus connections
  4. Test or replace instrument panel module

Related codes

P1650P1651P1655

Error P1654 by Vehicle Brand

BuickCadillacChevroletGMGMCOldsmobileSaturnVolkswagen

FAQ

What does the P1654 code mean?

P1654 is an OBD-II diagnostic trouble code that indicates: Instrumentation Control Module System Malfunction

What causes a P1654 error code?

The most common causes of P1654 include: Instrument panel module malfunction; Open or short circuit in wiring harness; Module power problems; Contact corrosion.

How do I fix a P1654 diagnostic trouble code?

To fix P1654: Check the power supply and ground of the module. Inspect the wiring harness for damage. Check CAN bus connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1654?

Limited driving only, diagnose soon

How much does it cost to fix P1654?

The estimated repair cost for P1654 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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