Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain...

Bulletin number

1807617

Component

Power train

Summary

Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Codes (DTCs) have been set:P2066 - Fuel Level Sensor 2 Performance (Sales Codes ERB with AHB or AHV only). P0335 - Crankshaft Position Sensor Circuit. P0456 - EVAP System Small Leak. P2610 - PCM Internal Engine Off Timer Performance. In addition to the above DTCs, this software release also includes:Enhancements to the disable misfire monitor when P0335 is present. Add a global disable to small leak monitor when the fuel level is above88%. Update small leak diagnostic to require five minutes of engine run-time and120 minutes of engine off-time. Updates to prevent false failure due to wrong ambient temperature reading.

Owners of these vehicles have filed 55 complaints in the transmission category.