U182A
Hybrid/EV Powertrain Control Module Lost Communication With Battery Energy Control Module On Powertrain Expansion CAN Bus
U182A is an OBD-II diagnostic trouble code meaning: Hybrid/EV Powertrain Control Module Lost Communication With Battery Energy Control Module On Powertrain Expansion CAN Bus. Common causes: open or short circuit in the can bus, problems with power supply to hpcm or becm modules. Estimated repair cost: $167–889.
Symptoms
- Check Engine light comes on
- The hybrid system goes into emergency mode
- Reduced vehicle power
- Battery charging problems
- Error message on display
Causes
- Open or short circuit in the CAN bus
- Problems with power supply to HPCM or BECM modules
- Malfunction of one of the control modules
- Corrosion of connectors
- Grounding problems
How to Fix
- Check the integrity of the CAN bus and connectors
- Check power supply and grounding of modules
- Scan all modules for additional fault codes
- If necessary, replace the faulty module
- Repair only from an authorized dealer
Related codes
FAQ
What does the U182A code mean?
U182A is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Powertrain Control Module Lost Communication With Battery Energy Control Module On Powertrain Expansion CAN Bus
What causes a U182A error code?
The most common causes of U182A include: Open or short circuit in the CAN bus; Problems with power supply to HPCM or BECM modules; Malfunction of one of the control modules; Corrosion of connectors.
How do I fix a U182A diagnostic trouble code?
To fix U182A: Check the integrity of the CAN bus and connectors. Check power supply and grounding of modules. Scan all modules for additional fault codes. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U182A?
Limited driving only, diagnose soon
How much does it cost to fix U182A?
The estimated repair cost for U182A is $167–889. Actual cost depends on your vehicle, location, and labor rates.
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