OBD Guide
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U1320

Automatic Back Door Control Module Reprogramming Error

U1320 is an OBD-II diagnostic trouble code meaning: Automatic Back Door Control Module Reprogramming Error. Common causes: module power problems, wiring harness fault. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Automatic tailgate not working
  • Error message on the dashboard
  • Inability to reprogram the module
  • Rear door intermittent operation

Causes

  • Module power problems
  • Wiring harness fault
  • Module software errors
  • Damage to the control module itself
  • Problems with the CAN bus

How to Fix

  1. Check power supply and grounding of the module
  2. Inspect the wiring harness for damage
  3. Try to reprogram the module again
  4. If necessary, replace the control module
  5. Check CAN bus connections

Related codes

U1321U1322U1300

FAQ

What does the U1320 code mean?

U1320 is an OBD-II diagnostic trouble code that indicates: Automatic Back Door Control Module Reprogramming Error

What causes a U1320 error code?

The most common causes of U1320 include: Module power problems; Wiring harness fault; Module software errors; Damage to the control module itself.

How do I fix a U1320 diagnostic trouble code?

To fix U1320: Check power supply and grounding of the module. Inspect the wiring harness for damage. Try to reprogram the module again. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1320?

Yes, but get it checked soon

How much does it cost to fix U1320?

The estimated repair cost for U1320 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat