U2602
Battery Energy Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2
U2602 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2. Common causes: broken or damaged wires in the communication circuit, poor contact in connectors. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced vehicle power
- Switching to emergency mode
- Battery charging problems
- Inability to switch between driving modes
Causes
- Broken or damaged wires in the communication circuit
- Poor contact in connectors
- Battery management module malfunction
- Powertrain control module malfunction
- Problems with module power supply
How to Fix
- Check the integrity of the wiring harness between the modules
- Inspect and clean the contacts in the connectors
- Check fuses and relays associated with modules
- Scan both modules for additional errors
- If necessary, replace the faulty module
Related codes
FAQ
What does the U2602 code mean?
U2602 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2
What causes a U2602 error code?
The most common causes of U2602 include: Broken or damaged wires in the communication circuit; Poor contact in connectors; Battery management module malfunction; Powertrain control module malfunction.
How do I fix a U2602 diagnostic trouble code?
To fix U2602: Check the integrity of the wiring harness between the modules. Inspect and clean the contacts in the connectors. Check fuses and relays associated with modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2602?
Limited driving only, diagnose soon
How much does it cost to fix U2602?
The estimated repair cost for U2602 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat