DTC P0882 Cadillac

Description

Inspect the wiring for poor electrical connections at the TCM. Inspect for the following conditions:
A bent terminal
A backed-out terminal
A damaged terminal
Poor terminal tension
A chafed wire
A broken wire inside the insulation
When diagnosing for an intermittent short or open, massage the wiring harness while watching the test equipment for a change.
You may have to drive the vehicle in order to experience a condition.
A defective vehicle battery may allow this DTC to set. Test the vehicle battery to verify proper voltage and load capacity.