DTC U2023 Ford
PCM Read Only Memory Error
PCM Read Only Memory Error
Description
Key on, and the PCM detected an internal check sum data error. Note: Refer to a code repair chart for instructions on how to replace a PCM and how to reprogram the replacement unit.
Cause and Solution
Check the PCM for possible water contamination. Clear the trouble codes and retest for this trouble code. If the same trouble code resets, the PCM has failed and must be replaced to repair this problem.
Video Guide
Diagnostic Info
- DTC Code: U2023
- Brand: Ford