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P1870 Cadillac Code - Transmission Component Slipping

- Code Popularity: 7,315 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1870 Cadillac?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Trailer towing may set code
  • Check transmission fluid level
  • Internal transmission fault
⚠ Does your Cadillac have Safety Recalls? → Check here

How to Fix the DTC P1870 Cadillac?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P1870 Cadillac Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1870 Cadillac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1870 Cadillac Description

With the engine speed over 500 rpm for 5 seconds, Fuel Shutoff inactive, throttle angle from 8.5-35%, Transaxle not in First gear, Transaxle gear range is D4, Transmission Fluid Temperature (TFT) Sensor input 68-266°F, engine torque from 50-200 ft-lbs, engine vacuum 0-105 kPa, Torque Converter Clutch (TCC) commanded on and at Max apply for over 5 seconds, the Powertrain Control Module (PCM) detects a TCC slip speed of over 200 rpm for over 5 seconds, all conditions met for 3 times with TCC commanded off each time in between cycles.

OBDII Code P1870 Cadillac - Transmission Component Slipping - AutoCodes.com
P1870 Cadillac Code - Transmission Component Slipping

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Code P1870 Cadillac comments

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