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2009 Chevrolet Impala LTZ 3.9L 2-3 Shift
Posted to GM Transmission on 4/6/2015 5 Replies

This vehicle when u take off from cold start will shift 1-2 and then 2-4. Scanner shows 3rd gear commanded but it doesn't shift. When u put shifter in 3rd, it downshifts to 2nd. Here's where it gets strange. When its warmed up and u stop, it downshifts to 1st ...

5 Replies Received (View Replies)

  Related Documents & Media  2009 Chevrolet Impala LTZ

 
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Impala LTZ

VIN 2G1WU57M09
Engine3.9 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
Affected2-3 Shift
ConditionsInop
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Impala LTZ

VIN 2G1WU57M09
Engine3.9 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
Affected2-3 Shift
ConditionsInop