P1586 OBD Trouble Code

1 result found

P1586 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Cruise Control Brake Switch 2 Circuit Conditions

Cause

Engine running with engine speed more than 1000 rpm (wheel speed indicates more than 20 mph in order to enable the test, and the test will disable when wheel speed is less than 5 mph), then the PCM detected that the vehicle speed decreased by 1 mph in 0.5 seconds without the PCM detecting a Brake switch transition, all conditions present for 10 Accel/Decel cycles.

Try also: https://www.obd-codes.com/p1586