OBD Guide

U180C

Battery Charger Control Module High Speed CAN Bus Off

U180C is an OBD-II diagnostic trouble code meaning: Battery Charger Control Module High Speed CAN Bus Off. Common causes: high speed can bus open circuit, short circuit in the can bus circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • The malfunction indicator light is on
  • Car battery charging problems
  • Malfunctions in the hybrid system (if any)
  • Failure of other systems associated with the CAN bus

Causes

  • High speed CAN bus open circuit
  • Short circuit in the CAN bus circuit
  • Charger control module malfunction
  • Poor contact in the module connector
  • Problems with power supply or module ground

How to Fix

  1. Check the integrity of the CAN bus wiring
  2. Inspect and clean the module connector contacts
  3. Check the power and ground of the charger control module
  4. Scan the module for additional errors

Related codes

FAQ

What does the U180C code mean?

U180C is an OBD-II diagnostic trouble code that indicates: Battery Charger Control Module High Speed CAN Bus Off

What causes a U180C error code?

The most common causes of U180C include: High speed CAN bus open circuit; Short circuit in the CAN bus circuit; Charger control module malfunction; Poor contact in the module connector.

How do I fix a U180C diagnostic trouble code?

To fix U180C: Check the integrity of the CAN bus wiring. Inspect and clean the module connector contacts. Check the power and ground of the charger control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U180C?

Yes, but get it checked soon

How much does it cost to fix U180C?

The estimated repair cost for U180C is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat