Conditions For Setting DTC P1810
WARNING: This page is about a different car, the 2002 Buick Regal, 2002 Buick Century, 2001 Buick Regal, and 2001 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when at least one of the following conditions occurs:
- Condition 1: The TFP manual valve position switch indicates an invalid switch combination for 60 seconds.
- Condition 2:
- No VSS DTC P0502 or P0503.
- The vehicle speed is less than 3 MPH.
- TFP manual valve position switch indicates REVERSE, D2 or D4 for 7 seconds at engine start up without indicating PARK or NEUTRAL.
- Condition 3:
- No TP sensor DTC P0121, P0122 or P0123.
- No VSS DTC P0502 or P0503.
- No ISS sensor DTC P0716 or P0717.
- No 1-2 shift solenoid valve DTC P0751, P0752 or P0753.
- No 2-3 shift solenoid valve DTC P0756, P0757 or P0758.
- The throttle angle is greater than 9 percent.
- The vehicle speed is more than 5 MPH.
- The engine torque is greater than 50 ft. lbs. (70 N.m) and one of the following conditions occurs:
- The gear ratio indicates REVERSE, D4, D3, D2 or D1 and the TFP manual valve position switch indicates PARK or NEUTRAL for 5 seconds.
- The gear ratio indicates D4, D3, D2 or D1 and the TFP manual valve position switch indicates REVERSE for 5 seconds.
- The gear ratio indicates REVERSE and the TFP manual valve position switch indicates D4, D3, D2 or D1 for 5 seconds.