1991-1999 Saturn vehicles equipped with MP6 or MP7 Automatic Transaxles
Vehicle may set DTCs after replacing the complete transaxle assembly, individual gear components, or after reprogramming PCM.
The following DTCs may be set:
1991-1995 DTCs 16, 18, 21, 23 and/or 24
1996 - 1999 DTCs P0730, P0731, P0732, P0733, and/or P0734
Two possible causes exist for this condition:
Several repairs may be available to fix this concern depending on what cause is identified. One of the following repairs may be required:
Gear Tooth Counts by Model Year Application
1st Drive | 1st Driven | 2nd Drive | 2nd Drive | 3rd Driven | 4th Drive | 4th Driven | Rev. Idler | Output | Ring Gear | |
91-93 MP6 1st Design* | 21 | 47 | 30 | 38 | 37 | 30 | 42 | 25 | 15 | 62 |
93-94 MP6 2nd Design** | 19 | 48 | 30 | 38 | 37 | 30 | 42 | 25 | 15 | 62 |
91-94 MP7 | 19 | 48 | 27 | 42 | 33 | 34 | 40 | 28 | 15 | 62 |
95-99 MP6 | 19 | 48 | 30 | 38 | 37 | 30 | 42 | 28 | 16 | 65 |
95-99 MP7 | 19 | 48 | 27 | 42 | 33 | 34 | 40 | 28 | 16 | 65 |
* Vehicles built prior to and including 1993 VIN PZ156139
** Vehicles built after and including 1993 VIN PZ156140
Refer to the appropriate section of the 91-99 Parts and Illustration
To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System using the appropriate Electronic Labor Time Guide and Labor Operation Codes.
GM bulletins are intended for use by professional technicians,
NOT a "do-it-yourselfer". They are written to inform these
technicians of conditions that may occur on some vehicles, or to
provide information that could assist in the proper service of a
vehicle. Properly trained technicians have the equipment,
tools, safety instructions, and know-how to do a job properly and
safely. If a condition is described, DO NOT assume that the
bulletin applies to your vehicle, or that your vehicle will have
that condition. See your GM dealer for information on whether
your vehicle may benefit from the information. |
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