Defect
Note: vehicles equipped with 5.4 Litre and 6.8 Litre engines. Certain vehicles do not comply with CMVSS 1103 - exhaust emissions. Trucks were built with Powertrain Control Module calibration code strategy features that may cause exhaust emissions which exceed the requirements of the standard.
Safety Risk
No risk description available.
Remedy
The Powertrain Control Module will be reprogrammed.