DTC P1666 BMW
EWS (Electronic Immobilizer) Tampering Start Value Not Yet Programmed
EWS (Electronic Immobilizer) Tampering Start Value Not Yet Programmed
Description
Key on the DME detected an electrical malfunction regarding the EWS. Check the EWS fuse, the ECU or CAN for fault, turn the ignition off and then on to repeat start calibration.
Cause and Solution
Circuit from the MIL to the DME
ECU Failure, BUS system failure
Circuit from the EPC to the DME
Video Guide
Diagnostic Info
- DTC Code: P1666
- Brand: BMW