P1887 Pontiac Code - Torque Converter Clutch Release Switch Circuit
Quick Answer
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). Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1887 Pontiac indicates Torque Converter Clutch Release Switch Circuit.
- Common causes
- Common causes include 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.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1887 Pontiac Description
What are the Possible Causes of the DTC P1887 Pontiac?
- 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 to Fix the DTC P1887 Pontiac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
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Pontiac Factory Service Bulletin OBDII Code P1887
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1887 Pontiac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1887 Pontiac Code
1. What are the common symptoms of OBDII code P1887 in a Pontiac related to the Torque Converter Clutch Release Switch Circuit?
The common symptoms include harsh shifting, transmission slipping, decreased fuel efficiency, and the Check Engine light being illuminated.
2. What are some possible causes of OBDII code P1887 in a Pontiac?
Possible causes include a faulty torque converter clutch release switch, damaged wiring or connectors in the circuit, low transmission fluid levels, or a malfunctioning transmission control module.
3. How can I diagnose the issue causing OBDII code P1887 in my Pontiac?
Diagnosing the issue may involve using a scan tool to retrieve the trouble codes, inspecting the wiring and connectors for damage, checking the transmission fluid level, and testing the torque converter clutch release switch.
4. Is it safe to continue driving my Pontiac with OBDII code P1887 present?
It is not recommended to drive your vehicle for an extended period with this code present, as it can lead to further damage to the transmission and affect the overall performance of the vehicle.
5. Can I repair OBDII code P1887 in my Pontiac myself?
Repairing this code may require some mechanical knowledge and the right tools. Depending on the exact cause, you may need to replace the torque converter clutch release switch, repair damaged wiring, or seek professional help for more complex issues.
6. Will resetting the Check Engine light resolve OBDII code P1887 in my Pontiac?
Simply resetting the Check Engine light will not fix the underlying issue causing the code. It is important to diagnose and address the root cause to prevent further complications.
7. How much does it typically cost to repair OBDII code P1887 in a Pontiac?
The cost of repairing this code can vary depending on the exact cause of the issue. It may range from a simple fix like replacing a switch or connector to a more complex repair involving the transmission system.
8. Can a faulty torque converter clutch release switch be cleaned or repaired, or does it need to be replaced?
In most cases, a faulty torque converter clutch release switch will need to be replaced rather than repaired or cleaned to ensure proper function and reliability.
9. Are there any preventative maintenance tips to avoid OBDII code P1887 in a Pontiac?
Regularly checking and maintaining the transmission fluid levels, inspecting the wiring harness for damage, and addressing any transmission-related issues promptly can help prevent the occurrence of this code.
10. How long does it typically take to repair OBDII code P1887 in a Pontiac?
The repair time can vary depending on the exact cause of the code and the complexity of the repair. It may take anywhere from a few hours to a full day to diagnose and fix the issue.
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