OBD Guide

C1493

Rear Driveline Module Internal Performance

C1493 is an OBD-II diagnostic trouble code meaning: Rear Driveline Module Internal Performance. Common causes: rear drive module malfunction, problems with module wiring harness. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check engine light flashing
  • Power Loss
  • Incorrect rear-wheel drive operation
  • Malfunctions of the car's electronic systems

Causes

  • Rear drive module malfunction
  • Problems with module wiring harness
  • Short circuit or open circuit
  • Software failure in the module

How to Fix

  1. Carry out diagnostics using an OBD-II scanner
  2. Check connections and module wiring harness
  3. Update or reflash module software
  4. If necessary, replace the DRAWLINE rear module

Related codes

FAQ

What does the C1493 code mean?

C1493 is an OBD-II diagnostic trouble code that indicates: Rear Driveline Module Internal Performance

What causes a C1493 error code?

The most common causes of C1493 include: Rear drive module malfunction; Problems with module wiring harness; Short circuit or open circuit; Software failure in the module.

How do I fix a C1493 diagnostic trouble code?

To fix C1493: Carry out diagnostics using an OBD-II scanner. Check connections and module wiring harness. Update or reflash module software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1493?

Limited driving only, diagnose soon

How much does it cost to fix C1493?

The estimated repair cost for C1493 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat