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1992 Chevrolet Step Van P30 6.2L Transmission drops into second gear
Posted to GM Transmission on 12/20/2002 7 Replies

Customer states twice a week vehicle stays in low and won't shift until key is cycled off and on.I road tested with tech 2 and trans runs [...] back to shop I wrestle with ign switch all OK.I lightly bang TCM and recieve no comunication message on scan tool.I ...

7 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Step Van P30

VIN 1GBHP32J7M
Engine6.2 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTransmission Drops Into Second Gear
ConditionsOcasionally Going Over Bumps or if You Bang TCM.
Misc.Replaced TCM
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Step Van P30

VIN 1GBHP32J7M
Engine6.2 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTransmission Drops Into Second Gear
ConditionsOcasionally Going Over Bumps or if You Bang TCM.
Misc.Replaced TCM