Torque Converter Clutch Release Switch Circuit
Table of contents
P1887 PONTIAC Possible Causes
- Faulty Torque Converter Clutch (TCC) Release Switch
- Torque Converter Clutch (TCC) Release Switch harness is open or shorted
- Torque Converter Clutch (TCC) Release Switch circuit poor electrical connection
How do I fix code P1887 PONTIAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- There is a factory service bulletin for the following Pontiac models:
- 2000-2004 Pontiac Aztek
- 2000-2004 Pontiac Bonneville
- 2000-2004 Pontiac Grand Am
- 2000-2004 Pontiac Grand Prix
- 2000-2004 Pontiac Montana
- 2000-2004 Pontiac Sunfire
- Pontiac Factory Service Bulletin OBDII Code P1887
Cost of diagnosing the P1887 PONTIAC code
The cost of diagnosing the P1887 PONTIAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1887 PONTIAC Description
With the engine speed over 500 rpm, TR switch in D4, Torque Converter Clutch (TCC) commanded on, TCC slip speed is -20 to +40, the Powertrain Control Module (PCM) detects that TCC Release pressure was present (the switch is open).