OBD Guide

U020C

Lost Communication With Wireless Accessory Charging Module A

U020C is an OBD-II diagnostic trouble code meaning: Lost Communication With Wireless Accessory Charging Module A. Common causes: broken or damaged wires to the charging module, wireless charging module malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Wireless charging of devices does not work
  • Error message on the dashboard
  • Check Engine Light May Be On
  • No communication with the module in the diagnostic scanner

Causes

  • Broken or damaged wires to the charging module
  • Wireless charging module malfunction
  • Problems with the CAN bus
  • Failures in ECU software
  • Poor contact in module connectors

How to Fix

  1. Check the integrity of the wiring to the charging module
  2. Diagnose the state of the CAN bus
  3. Check power supply and grounding of the module
  4. Flash or update the ECU software if necessary
  5. Replace the wireless charging module if it is faulty

Related codes

Error U020C by Vehicle Brand

FAQ

What does the U020C code mean?

U020C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Wireless Accessory Charging Module A

What causes a U020C error code?

The most common causes of U020C include: Broken or damaged wires to the charging module; Wireless charging module malfunction; Problems with the CAN bus; Failures in ECU software.

How do I fix a U020C diagnostic trouble code?

To fix U020C: Check the integrity of the wiring to the charging module. Diagnose the state of the CAN bus. Check power supply and grounding of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U020C?

Yes, but get it checked soon

How much does it cost to fix U020C?

The estimated repair cost for U020C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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