A/T - 01L Delayed Downshift

Group: 37

Number: 98-02

Date: Aug. 13, 1998

Subject:
Automatic Transmission, Delayed Downshift

Model(s):
A8 with (4.2L and 01L Trans.) 1997, 1998 -->
VIN 4D_WN001281

Condition

Downshift delay time is approx. 3-4 seconds.

Production

Transmission Control Module (TCM) with new software level D13, Part No.: 4D0 927 156BH installed beginning with VIN 4D_WN001281.

With the new software, the downshift time is reduced to approx. 1-2 seconds.

Service





If downshift delay time (for vehicles produced prior to VIN 4D_WN001281) is not acceptable to the customer, install the following parts according to Trans. code:

Note:
Code TCM according to Technical Bulletin Group 01 Number 97-11 dated Sept. 30, 1997