DTC U2243 Lincoln
PCM ECM Internal System Reset
PCM ECM Internal System Reset
Description
Key on or engine running; and the PCM detected the memory check sum did not match the previous memory check sum. Note: The PCM sets this trouble code if the battery is disconnected.
Cause and Solution
Check the power ground circuit for loose or open connectionsCheck the system power (B+) circuits for a loose connectionCheck the keep alive memory circuit for a loose connection
Video Guide
Diagnostic Info
- DTC Code: U2243
- Brand: Lincoln