Conditions for Setting the DTC: Notes
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1870 sets if the following conditions occur for three TCC cycles.
- The TCC is commanded ON for 5 seconds.
- The TCC is at 40 percent duty cycle for 5 seconds.
- The TCC slip speed is 130-800 RPM for 7 seconds.
- If the TCC is commanded ON for 5 seconds, the TCC is at 40 percent duty cycle for 5 seconds, the TP angle is 20-99 percent and the transmission slip counter has incremented to either 1 or 2, out of 3 to increment the fail counter for the current ignition cycle, then the following slip conditions and actions may increment the fail counter for the current ignition cycle:
These conditions must occur sequentially.
IMPORTANT:
The following actions may occur before the DTC sets.