P1574 OBD Trouble Code

1 result found

P1574 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Stoplamp Switch Circuit Conditions

Cause

DTC P0703, P1575 or P1602 not set, engine speed over 500 rpm, ABS and Traction Control not failed and not active, VSS input achieved 20 mph and remained over 3 mph during the test period, the difference in speed between the non-driven wheels and the driven wheels is less than 6 mph, then the PCM detected a signal transition on the TCC and or Electronic Brake (E/T) switches without a transition on the Stoplamp switch occurring

Try also: https://www.obd-codes.com/p1574