E068

Code E068:

Cruise Control Circuit:

DESCRIPTION:

The PCM/ECM continuously compares the cruise control servo position sensor to the throttle position. This diagnostic test monitors for a throttle position greater than 20° and the servo position greater than commanded by the PCM/ECM for 2 seconds.

TEST CONDITIONS:

Cruise control engaged.

FAILURE CONDITIONS:

Throttle angle greater than 20° and the servo position sensor indicating a stroke greater than commanded.

ACTION TAKEN:

1. Disable cruise control for entire ignition cycle.
2. PCM/ECM turns on SERVICE ENGINE SOON lamp.

NOTES ON FAULT TREE:

1. TPS value should decrease at a steady rate.