Conditions for Running the DTC
WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- No MAF sensor DTCs P0101, P0102 or P0103.
- No MAP sensor DTCs P0106, P0107 or P0108.
- No TP sensor DTCs P0121, P0122, or P0123.
- No AT VSS DTC P0502 or P0503.
- The system voltage is 8-18 volts.
- No AT ISS DTCs P0716 or P0717.
- No TCC PWM solenoid valve DTCs P0741, P0742 or P1860.
- No TCC Stuck ON DTC P0742.
- No TCC Stuck OFF DTC P0741.
- No TCC electrical DTC P0753 or P0758.
- No 1-2 SS valve DTCs P0751, P0752 or P0753.
- No 2-3 SS valve DTCs P0756, P0757 or P0758.
- No TFP manual valve position switch DTCs P1810.
- The TP sensor is 10-100 percent.
- Engine speed is 1,250-5,000 RPM.
- The TFT is 20-130°C (68-266°F).
- Vehicle speed is 56-177 km/h (35-110 mph).
- TFP manual valve position switch indicates D4.
- Speed ratio is 2.25-0.70.
- The engine torque must be between 108 N.m (80 lb ft) and:
- 6.0L: 576 N.m (425 Ib ft)
- 8.1L: 881 N.m (650 lb ft)
- The TCC is commanded ON for 0.04 second or more.
- TCC is locked ON for greater than 0.1 second.
- The PCM commands 4th gear.