Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- No TP sensor DTCs P0121, P0122 or P0123.
- No VSS DTCs P0502 or P0503.
- No AT ISS DTCs P0716 or P0717.
- No TCC DTCs P0742 or P1860.
- No TFP manual valve position switch DTC P1810.
- The system voltage is 8-18 volts.
- The gear ratio must indicate 2nd or 3rd gear.
- The TP is 10-100 percent.
- The TFP manual valve position switch must be in D4, D3, or D2 and has not changed in 6 seconds.
- The transmission fluid temperature (TFT) is 20-150°C (68-302°F).
- TCC duty cycle is 60 percent or greater and locked on greater than 1 second.