A/T Controls - Limp Home Mode/Multiple DTC's Set
Date: November 7, 2005Order No.: P-B-27.60/63
Supersedes:
Group: 27
SUBJECT:
Model 171.454/456
Model 203.052/054/056
Model 209.356/456
Model 211.056/256
Model Year 2006
Equipped with 722.9 Transmission and M272 Engine
Transmission Switches to Limp Home Model Codes P1629, P1632, P1633, P1634 or P1636
If you receive customer reports in the above model vehicles of the transmission switching to limp home mode with one or more of the following fault codes: P1629, P1632, P1633, P1634, P1636, this may be caused by battery under voltage (example: during the starting procedure).
Note:
This is only applicable to vehicles with the following transmission software versions: 0014485410, 0014486910, 0014488310, 0014488410 and 0014488510.
Contrary to the remedy specified in Star Diagnosis for these fault codes, it is not necessary to replace the electro hydraulic control unit when the above specified software versions are installed. The following repair solution should be performed.
1. Reprogram transmission control unit with Star Diagnosis DVD 9/2005 or later
2. Perform SCN coding
3. Erase fault memory
Note:
The following allowable labor operations should be used when submitting a warranty claim for this repair.
In Case of Warranty