Code Enable Criteria

Conditions for running DTC:

• No VSS DTC P0502 or P0503 set.

Conditions for setting DTC:

TCC brake switch indicates continuously CLOSED (12 volts) while the following conditions occur 8 times consecutively:

• Vehicle speed greater than 20 MPH for 6 seconds.
• Vehicle speed decreases to 5 MPH in 3 seconds.
• Vehicle speed is less than 5 MPH.