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Harsh Engagement From Neutral to Reverse

Symptom:
* HARSH ENGAGEMENT FROM NEUTRAL TO REVERSE

POSSIBLE CAUSES:
ENGINE MOUNTS
EXHAUST SYSTEM NOISE
TPS, STICKING OPEN
TCM SOFTWARE NOT UP TO DATE - CHECK FOR LATEST TSB
ENGINE IDLE SPEED TOO HIGH
INCORRECT PRNDL CODE IN REVERSE
HIGH DRIVELINE BACKLASH- HIGH SPLINE CLEARANCE ON DRIVESHAFT(S)- FAILED DIFFERENTIAL PINION PIN