P0783

Tests 1722 - 1725:

Tests 1726 - 1729:

Tests 1730 - 1731:

SYMPTOM
P-0783 3-4 SHIFT SOL. NO RPM DROP @ 3-4 SHIFT

WHEN MONITORED
Continuously with the key on and engine running.

SET CONDITION
This code is set if the expected engine RPM drop does not occur within 4 seconds of the gear change being requested by the PCM. Three consecutive bad tests are required to set the code.

POSSIBLE CAUSES
- Transmission defective
- TPS codes set
- Oil burnt or oil pan has excessive debris
- Transmission fluid level OK and uncontaminated