Routan (7B1) V6-4.0L (CGVA) (2009)
Engine Control Module: Customer Interest
Engine Controls - MIL ON/DTC P050/Cold Start Rough Idle
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February 4, 2011
2022616 Supersedes T.B. VOl 1003 dated Feb. 10, 2010 to add model year 2009 vehicles.
Vehicle Information
Condition
Update Programming, MIL ON, P050D Cold Start - Rough Idle
Technical Background
Update programming of the Powertrain Control Module (PCM) with improved software to correct the DTC P050D.
Tip:
Production Solution
Improved PCM software has been introduced in production as of December 9, 2009.
Service
Update programming of the Powertrain Control Module (PCM) with new software.
DIAGNOSIS
Using a StarMOBILE(TM) with ElsaWeb and the appropriate Diagnostic Procedures, verify all engine systems are functioning as designed. If DTC's are
present, record them on the repair order and repair as necessary before proceeding with this bulletin. If the customer describes the Symptom/Condition,
or it can be reproduced, perform the Repair Procedure.
REPAIR PROCEDURE
Note
If this flash process is interrupted / aborted, the flash should be restarted.
1. Reprogram the Powertrain Control Module using the StarMOBILE with the latest software.
2. After PCM reprogramming, the following must be performed:
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Clear any DTC's that may have been set in other modules due to reprogramming.
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Clear the Variable Line Pressure (VLP) Counters, found in the Misc. Function menu for the PCM / ECU.