Affected Vehicles

Vehicles in-stock at your dealership may include:

1. Vehicles requiring replacement of PROM (VIN ... LA391190 to ...LA426807)

2. Vehicles requiring replacement of the entire ECU (VIN ...LA426808 to ...MA483126).

3. Vehicles requiring serial link grounding if not done previously (up to VIN ...LA441247).

4. Vehicles that require no action.

Detailed work procedures for PROM, ECU and Serial Link replacement are included with this bulletin.