Conditions For Setting DTC P1875
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 1998 GMC Savana Special, 1998 GMC Savana Camper Special, 1998 GMC Savana, 1998 Chevrolet RV Cutaway, and 1998 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
DTC will set under the following conditions:
- DTCs P0106, P0107 or P0108 (MAP sensor) are not present.
- DTCs P0121, P0122 or P0123 (throttle position sensor) are not present.
- DTCs P0502 or P0503 (output shaft speed sensor) are not present.
- DTC P0742 (TCC stuck on) is not present.
- DTCs P0751 and P0753 (1-2 shift solenoid) is not present.
- DTCs P0756 and P0758 (2-3 shift solenoid) is not present.
- DTC P1810 (trans. fluid pressure position switch) is not present.
- DTC P1860 (TCC PWM solenoid) is not present.
- Engine is running at more than 475 RPM for as least 7 seconds.
- Engine is not in fuel cutoff mode.
- Gear range is D4.
- Throttle angle is 10-100 percent.
- Transmission fluid temperature is 68-248°F (20-120°C).
- Shift solenoid performance counters are zero.
- All of the above conditions are met and either of the following fail conditions occur:
- 4WD low is stuck on for 2 seconds with transfer case ratio of 0.95-1.05:1.
- 4WD low is stuck off for 3 seconds with transfer case ratio of 2.66-2.76:1, in any 2 gears.