FixVault

Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Description Perform Test
P0502 Vehicle Speed Sensor Circuit (Low Input) (2) DTC P0502
P0503 Vehicle Speed Sensor Circuit (Intermittent) (2) DTC P0503
P0574 Powertrain Control Module Detects High Vehicle Speed DTC P0574 
P1554 Powertrain Control Module Detects Cruise Engaged Signal DTC P1554 
P1560 Cruise Control Engaged With Vehicle In Neutral Or Park DTC P1560 
P1564 Powertrain Control Module Detects Rapid Acceleration DTC P1564 
P1566 Powertrain Control Module Detects High Engine Speed DTC P1566 
P1567 Traction Control System Applied Brakes DTC P1567 
P1570 Traction Control Active Cruise Disabled DTC P1570 
P1574 Stop Light Switch Circuit Signal Failure DTC P1574 
P1585 Cruise Control Inhibit Output Circuit DTC P1585 
(1) Codes listed in this table are only for testing covered in this article. For complete DTC listing, see appropriate BODY CONTROL MODULES article.
(2) See SELF-DIAGNOSTIC SYSTEM in HYDRA-MATIC 4T80-E DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.