P1887 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC P1887 Buick?
- 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 Buick?
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
2000-2004 Buick Century
2000-2004 Buick LeSabre
2000-2004 Buick Park Avenue
2000-2004 Buick Regal
2003-2004 Buick Rendezvous
Buick Factory Service Bulletin OBDII Code P1887
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1887 Buick 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 Buick Code
1. What are the common symptoms of OBDII code P1887 in a Buick related to the Torque Converter Clutch Release Switch Circuit?
Symptoms can include issues with the vehicle's transmission such as harsh shifting, slipping, or the inability to engage or disengage the torque converter clutch.
2. What are the possible causes of OBDII code P1887 in a Buick?
Common causes of this code include a faulty torque converter clutch release switch, damaged wiring or connectors in the circuit, or issues with the transmission control module.
3. How can I diagnose the Torque Converter Clutch Release Switch Circuit in my Buick when experiencing OBDII code P1887?
Diagnosis typically involves using a scan tool to check for the code, inspecting the wiring and connectors for damage, and testing the torque converter clutch release switch for proper functionality.
4. Can I continue driving my Buick with OBDII code P1887 related to the Torque Converter Clutch Release Switch Circuit?
It is not recommended to drive the vehicle with this code present, as it can lead to further transmission issues and potential damage if left unresolved.
5. What are the repair options for fixing OBDII code P1887 in a Buick?
Repair options may include replacing the torque converter clutch release switch, repairing or replacing damaged wiring or connectors, or reprogramming the transmission control module.
6. Is it possible to reset the OBDII code P1887 in a Buick without fixing the underlying issue?
While you can clear the code with a scan tool, it is important to address the root cause of the problem to prevent further issues with the transmission.
7. How much does it typically cost to repair OBDII code P1887 in a Buick related to the Torque Converter Clutch Release Switch Circuit?
The cost of repair can vary depending on the specific issue and the labor rates in your area, but it may range from a few hundred to a thousand dollars.
8. Can a DIY enthusiast fix OBDII code P1887 on a Buick, or is it better to seek professional help?
While some individuals with experience in automotive repair may be able to address this issue themselves, it is recommended to consult a professional mechanic, especially when dealing with transmission-related problems.
9. Are there any preventive measures to avoid encountering OBDII code P1887 in a Buick?
Regular maintenance of the transmission system, such as fluid changes and inspections, can help prevent issues that may trigger this code.
10. How long does it typically take to repair OBDII code P1887 in a Buick related to the Torque Converter Clutch Release Switch Circuit?
The repair time can vary depending on the exact cause of the code and the availability of parts, but it may take a few hours to a full day to complete the repair.
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