P1870 PLEASE HELP

[griepp06]

so after the last month I have changed the plugs, wire, rotor, shocks, idler arm and bracket, rear pinion seal, pumpkin gasket and oil, radiator, battery, drum shoes, and added a trailer brake controller. finally ready to do some serious driving and I get a P1870 code while pulling the pop up to the campground. we made it there but i need this thing in running shape for taking the camper to sturgis in 2 weeks please help. I just order this product off amazon a TCC valve upgrade replacement by Fitzall and also going to test the TCC PWM soleniod anything else i can do? 

[Super 8]

 

[Brian Lindsey]

DTC P1870 sets if the following conditions are met for three TCC cycles with reported excessive TCC slip conditions, two consecutive times.
 

 

• No TP DTCs P0122 or P0123
• No VSS Assy. DTC P0502
• No TFT Sensor DTCs P0712 or P0713
• No TCC Sol. Valve DTC P0740
• No 1-2 SS Valve DTCs P0751 or P0753
• No 2-3 SS Valve DTCs P0756 or P0758
• No TFP Val. Position Sw. DTC P1810
• No TCC PWM Sol. Valve DTC P1860
• The engine speed is greater than 450 RPM for 8 seconds.
• Not in fuel cutoff.
• The engine torque is 50-450 lb ft.
• The gear range is D4.
• Not in 1st gear.
• The TP angle is 9-35%.
• The TFT is 20-130°C (68-266°F).
• The TCC is ON for 5 seconds.
• The TCC is at maximum apply for 5 seconds.
• The TCC slip speed is greater than 130 RPM.
• All conditions met for 7 seconds

Action Taken When the DTC Sets
 

• The VCM inhibits TCC engagement.
• The VCM commands maximum line pressure.
• The VCM inhibits 4th gear if the transmission is in hot mode.
• The VCM freezes shift adapts from being updated.
• The VCM illuminates the Malfunction Indicator Lamp (MIL).