Intermittent Shifts with Speedometer Fluctuation - kw 5L40E accelerate bump clunk shift slip transmission

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Erratic shifts and unwanted downshifts along with speedometer fluctuation.

Inspect for possible vehicle speed sensor wire harness melted against the exhaust pipe above the catalytic converter. Repair and secure the harness to prevent a reoccurrence.

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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

(04 Cadillac SRX)

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