P1887 GMC 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 GMC 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 GMC Description
What are the Possible Causes of the DTC P1887 GMC?
- 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 GMC?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1887 GMC 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 GMC Code
1. What are the common symptoms of OBDII code P1887 GMC related to the Torque Converter Clutch Release Switch Circuit?
The common symptoms include engine stalling at idle, difficulty shifting gears, decreased fuel efficiency, and the Check Engine light illuminated on the dashboard.
2. What can cause the OBDII code P1887 GMC to trigger in relation to the Torque Converter Clutch Release Switch Circuit?
Potential 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 serious is OBDII code P1887 GMC regarding the Torque Converter Clutch Release Switch Circuit?
While the vehicle may still be operable with this code, it is important to address it promptly to prevent further damage to the transmission and ensure optimal performance.
4. How can I diagnose the underlying issue causing OBDII code P1887 GMC for the Torque Converter Clutch Release Switch Circuit?
Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, conducting a visual inspection of the wiring and connectors, testing the torque converter clutch release switch, and checking the transmission fluid level and condition.
5. Is it safe to continue driving with OBDII code P1887 GMC related to the Torque Converter Clutch Release Switch Circuit?
It is not recommended to ignore this code and continue driving, as it can lead to potential transmission issues and further damage if left unresolved.
6. Can I repair OBDII code P1887 GMC for the Torque Converter Clutch Release Switch Circuit myself?
While some DIY enthusiasts may be able to address this issue by replacing the torque converter clutch release switch or repairing wiring, it is advisable to consult a professional mechanic for an accurate diagnosis and proper repair.
7. How much does it typically cost to fix OBDII code P1887 GMC associated with the Torque Converter Clutch Release Switch Circuit?
The cost of repair can vary depending on the underlying cause, but it may range from $100 to $500, including parts and labor.
8. Are there any preventive maintenance tips to avoid OBDII code P1887 GMC for the Torque Converter Clutch Release Switch Circuit?
Regularly checking and maintaining the transmission fluid level, ensuring proper wiring connections, and promptly addressing any transmission issues can help prevent this code from triggering.
9. Can resetting the Check Engine light clear OBDII code P1887 GMC for the Torque Converter Clutch Release Switch Circuit?
Resetting the Check Engine light may temporarily clear the code, but it will likely reappear if the underlying issue is not addressed and resolved.
10. How long does it take to repair OBDII code P1887 GMC related to the Torque Converter Clutch Release Switch Circuit?
The repair time can vary depending on the specific cause and complexity of the issue, but it may take a few hours to a full day to diagnose and fix the problem.
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