Software Incompatibility With Hybrid/EV Battery Pack Sensor Module

Where it lives

For U0335, start at the sensor the description names.

Check these first

• Software in the Hybrid/EV Battery Pack Sensor Module that does not match the rest of the vehicle
• The Hybrid/EV Battery Pack Sensor Module replaced without programming to the vehicle
• Corrupted or outdated calibration in the Hybrid/EV Battery Pack Sensor Module
• A module programming step that did not complete

What to do next

1. Read stored codes on every module and note the mismatched part numbers
2. Record the software and calibration part numbers in the Hybrid/EV Battery Pack Sensor Module
3. Reprogram the Hybrid/EV Battery Pack Sensor Module with the latest calibration for the vehicle
4. Check for a service bulletin that covers the Hybrid/EV Battery Pack Sensor Module software
5. Replace the Hybrid/EV Battery Pack Sensor Module if programming will not complete
6. Clear the code and retest

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