DTC B2416: ECU internal error: Diagnosis

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Required Special Tools:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A

Recheck for diagnostic trouble code.

Check again if the DTC is set to the WCM.

CAUTION: To prevent damage to scan tool (MB991958), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (MB991958).

Connect scan tool MB991958 to the data link connector.

Fig 1: Connecting Special Tool MB991910 To Data Link Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Erase the DTC.
Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
Check if DTC is set.
Turn the ignition switch to the "LOCK" (OFF) position.

Q: Is the DTC set?

YES : Replace WCM and register the ID codes (Refer to ID CODES REGISTRATION JUDGMENT TABLE ).

NO : The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).