P1870 Code - Transmission Component Slipping
Quick Answer
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. Common causes include Trailer towing may set code, Check transmission fluid level, Internal transmission fault. 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
- P1870 indicates Transmission Component Slipping.
- Common causes
- Common causes include Trailer towing may set code, Check transmission fluid level, Internal transmission fault.
- 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 P1870 Description
What are the Possible Causes of the DTC P1870?
- Trailer towing may set code
- Check transmission fluid level
- Internal transmission fault
How to Fix the DTC P1870?
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 P1870 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.
Need more information about the P1870 code?
Need more information on how to fix the P1870 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1870 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1870 Acura — Transmission Component Slipping
- P1870 Buick — Transmission Component Slipping
- P1870 Cadillac — Transmission Component Slipping
- P1870 Chevrolet — Transmission Component Slipping
- P1870 GMC — Transmission Component Slipping
- P1870 Honda — Problem in CVT Speed Change Control Valve Assembly Circuit
- P1870 Isuzu — Transmission Component Slipping
- P1870 Pontiac — Transmission Component Slipping
Frequently Asked Questions about P1870 Code
1. What are common symptoms of OBDII code P1870 related to Transmission Component Slipping?
- Common symptoms include erratic shifting, hesitation during acceleration, slipping gears, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P1870 indicating Transmission Component Slipping?
- Possible causes include worn transmission components, low transmission fluid levels, faulty torque converter, and dirty transmission fluid.
3. How can I diagnose OBDII code P1870 for Transmission Component Slipping?
- Diagnosis typically involves scanning the vehicle for codes, checking transmission fluid levels and condition, and performing a thorough inspection of transmission components.
4. Can driving with OBDII code P1870 indicating Transmission Component Slipping cause further damage?
- Continuing to drive with this code can potentially lead to further damage to the transmission components and may result in more costly repairs.
5. What are some repair tips for addressing OBDII code P1870 related to Transmission Component Slipping?
- Repair tips include checking and topping up transmission fluid, performing a transmission fluid flush, inspecting and replacing worn components, and resetting the code after repairs.
6. Is it safe to continue driving my vehicle with OBDII code P1870 indicating Transmission Component Slipping?
- It is not recommended to continue driving the vehicle with this code, as it can lead to further transmission issues and potential safety hazards.
7. How much does it typically cost to repair OBDII code P1870 for Transmission Component Slipping?
- The cost of repairs can vary depending on the extent of the damage, but it can range from a few hundred to over a thousand dollars, especially if transmission components need to be replaced.
8. Can a DIY enthusiast fix OBDII code P1870 related to Transmission Component Slipping?
- While some basic maintenance tasks like checking fluid levels can be done by DIY enthusiasts, diagnosing and repairing transmission issues related to this code often require professional expertise.
9. How long does it take to repair OBDII code P1870 for Transmission Component Slipping?
- The repair time can vary based on the specific issue and the availability of parts, but it can take anywhere from a few hours to a couple of days to address this code.
10. Are there any preventative measures to avoid OBDII code P1870 and Transmission Component Slipping?
- Regular maintenance of the transmission, such as fluid changes and inspections, can help prevent issues that may trigger this code. Additionally, avoiding aggressive driving can also help prolong the life of transmission components.
Discuss the causes and fixes for P1870 OBDII Code
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