OBD Guide
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C1610

AWC Actuator Power Supply Electronic Relay Malfunction

C1610 is an OBD-II diagnostic trouble code meaning: AWC Actuator Power Supply Electronic Relay Malfunction. Common causes: malfunction of the electronic power relay of the awc actuator, blown fuse in relay circuit. Estimated repair cost: $17–167.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–167 (est.)

Symptoms

  • The AWD or 4WD lamp on the instrument panel is on
  • Disabling the AWC all-wheel drive system
  • The car only operates in rear-wheel drive or front-wheel drive mode
  • Possible related codes for C1617 and other AWC subsystems
  • Clicking or lack of response when trying to engage all-wheel drive

Causes

  • Malfunction of the electronic power relay of the AWC actuator
  • Blown fuse in relay circuit
  • Open or shorted relay wiring
  • Oxidation of relay connector contacts
  • AWC control unit malfunction

How to Fix

  1. Check the AWC relay circuit fuse according to the car diagram
  2. Check the relay: apply power directly and check the contacts are closed
  3. Measure the voltage of the relay control circuit (signal from the ECU)
  4. Inspect the relay connector for oxidation and damage.
  5. Replace the relay if the fault is confirmed
  6. Check the operation of the AWC actuator after replacing the relay

Related codes

C1617C141CC1450C1611

FAQ

What does the C1610 code mean?

C1610 is an OBD-II diagnostic trouble code that indicates: AWC Actuator Power Supply Electronic Relay Malfunction

What causes a C1610 error code?

The most common causes of C1610 include: Malfunction of the electronic power relay of the AWC actuator; Blown fuse in relay circuit; Open or shorted relay wiring; Oxidation of relay connector contacts.

How do I fix a C1610 diagnostic trouble code?

To fix C1610: Check the AWC relay circuit fuse according to the car diagram. Check the relay: apply power directly and check the contacts are closed. Measure the voltage of the relay control circuit (signal from the ECU). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1610?

Yes, but get it checked soon

How much does it cost to fix C1610?

The estimated repair cost for C1610 is $17–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat