DTC B1703: Encrypted code inconsistent: Diagnosis
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
Register all the ignition key encrypted codes again, and recheck the diagnostic code.
- Register all the ignition keys again. (Refer to ENCRYPTED CODE REGISTRATION CRITERIA TABLE .)
- Connect scan tool MB991958 to the data link connector.
- Turn the ignition switch to the "ON" position.
- Use scan tool MB991958 to check ETACS system diagnostic trouble codes.
- Turn the ignition switch to "LOCK" (OFF) position.
- Disconnect scan tool MB991958.
Q: Is DTC B1703 set?
YES: Replace the ETACS-ECU and register the ID codes. (Refer to ENCRYPTED CODE REGISTRATION CRITERIA TABLE .) After registering the ID codes, check if the diagnostic code is set.
NO: The procedure is complete.