Software Incompatibility With Throttle Actuator Control Module

Where it lives

For U0308, the description names the module as the part involved.

Check these first

• Software in the Throttle Actuator Control Module that does not match the rest of the vehicle
• The Throttle Actuator Control Module replaced without programming to the vehicle
• Corrupted or outdated calibration in the Throttle Actuator Control Module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 Throttle Actuator Control Module
3. Reprogram the Throttle Actuator Control Module with the latest calibration for the vehicle
4. Check for a service bulletin that covers the Throttle Actuator Control Module software
5. Replace the Throttle Actuator Control Module if programming will not complete
6. Clear the code and retest

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