DTC P0601 Dodge - Internal Control Module Memory Checksum Error
DTC P0601 Dodge means that the engine control module has detected an internal control module memory checksum error. This error is often caused by a faulty ECM, but it can also be caused by a loose electrical connection.
Possible causes
- Faulty Engine Control Module (ECM)
- Loose or disconnected electrical connection
Symptoms
- Check Engine Light illuminated
- Engine may stall or hesitate
- Poor fuel economy
- Transmission may not shift properly
- Air conditioning may not work
Repair and solutions
1. Check the electrical connections to the ECM. Make sure that all of the connections are tight and secure.
2. If the electrical connections are all good, then you will need to replace the ECM.
To replace the ECM, you will need to take your vehicle to a qualified mechanic. The ECM is a complex electronic device that can be easily damaged if it is not installed properly.