DTC P0848 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.
This DTC may indicate that SS2 is mechanically defective.
When DTC P0756 and P0848 are set in combination, this may indicate an open circuit is present at the pressure switch circuit or the shift valve is stuck in the destroked position.