Code Enable Criteria

Conditions for running DTC:

• No VSS DTC P0502 or P0503.

Conditions for setting DTC:

TCC brake switch indicates continuously open (zero volts) for more than 15 minutes and the following conditions occur 8 times consecutively.

• Vehicle speed less than 5 MPH.
• Vehicle speed 5-20 MPH for at least 3 seconds.
• Vehicle speed remains greater than 20 MPH for 6 seconds.