OBD Guide
ENFRDEESPT

C1624

AWC-ECU System Internal Malfunction

C1624 is an OBD-II diagnostic trouble code meaning: AWC-ECU System Internal Malfunction. Common causes: damage to internal components of the awc-ecu, errors in the control unit firmware. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced effectiveness of the stabilization system
  • Disabling the traction control system
  • Unstable vehicle operation on slippery surfaces

Causes

  • Damage to internal components of the AWC-ECU
  • Errors in the control unit firmware
  • Short circuit or open circuit in the AWC-ECU power supply circuits
  • Problems with the wiring harness connected to the AWC-ECU

How to Fix

  1. Diagnose the AWC-ECU using an OBD-II scanner
  2. Check the integrity of the AWC-ECU wiring harness and connectors
  3. Update AWC-ECU firmware (if available)
  4. If necessary, replace the AWC-ECU control unit

Related codes

C1623C1625U0100

FAQ

What does the C1624 code mean?

C1624 is an OBD-II diagnostic trouble code that indicates: AWC-ECU System Internal Malfunction

What causes a C1624 error code?

The most common causes of C1624 include: Damage to internal components of the AWC-ECU; Errors in the control unit firmware; Short circuit or open circuit in the AWC-ECU power supply circuits; Problems with the wiring harness connected to the AWC-ECU.

How do I fix a C1624 diagnostic trouble code?

To fix C1624: Diagnose the AWC-ECU using an OBD-II scanner. Check the integrity of the AWC-ECU wiring harness and connectors. Update AWC-ECU firmware (if available). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1624?

Limited driving only, diagnose soon

How much does it cost to fix C1624?

The estimated repair cost for C1624 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat