AutoCodes – Isuzu – P1870 Isuzu

P1870 Isuzu Code - Transmission Component Slipping

Quick Answer

Transmission is in 4th gear with Torque Converter Clutch (TCC) engaged and the Engine Control Module (ECM) has detected excessive slippage when comparing the input shaft speed to the output shaft speed 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 Isuzu 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 22,922
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 24, 2019
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Code P1870 Isuzu Description

Transmission is in 4th gear with Torque Converter Clutch (TCC) engaged and the Engine Control Module (ECM) has detected excessive slippage when comparing the input shaft speed to the output shaft speed
OBDII Code P1870 Isuzu - Transmission Component Slipping - AutoCodes.com
P1870 Isuzu Code - Transmission Component Slipping

What are the Possible Causes of the DTC P1870 Isuzu?

  • Trailer towing may set code
  • Check transmission fluid level
  • Internal transmission fault

How to Fix the DTC P1870 Isuzu?

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 Isuzu 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 Isuzu code?

Need more information on how to fix the P1870 Isuzu code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1870 Isuzu code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1870 Isuzu Code

1. What are the common symptoms of OBDII code P1870 in an Isuzu related to transmission component slipping?

- Common symptoms include harsh shifting between gears, transmission slippage, decreased fuel efficiency, and the transmission staying in one gear.

2. What are the potential causes of OBDII code P1870 in an Isuzu indicating transmission component slipping?

- The code P1870 in an Isuzu could be caused by worn transmission components, low transmission fluid levels, a faulty torque converter, or issues with the transmission control module.

3. How serious is OBDII code P1870 related to transmission component slipping in an Isuzu?

- OBDII code P1870 indicating transmission component slipping in an Isuzu is a serious issue that can lead to further damage if not addressed promptly. It is recommended to have the vehicle inspected and repaired as soon as possible.

4. Can I continue driving my Isuzu with OBDII code P1870 and transmission component slipping?

- It is not recommended to continue driving your Isuzu with OBDII code P1870 related to transmission component slipping, as it can cause further damage to the transmission and potentially lead to a breakdown. Seek professional assistance for diagnosis and repair.

5. How can I diagnose OBDII code P1870 indicating transmission component slipping in my Isuzu?

- Diagnosing OBDII code P1870 requires a scan tool to read the code, as well as a thorough inspection of the transmission components, fluid levels, and related systems. Professional help may be needed to accurately diagnose the issue.

6. What are some repair tips for addressing OBDII code P1870 in an Isuzu with transmission component slipping?

- Repair tips may include checking and topping off transmission fluid, inspecting and replacing worn transmission components, addressing any torque converter issues, and resetting the transmission control module.

7. Are there any DIY solutions for fixing OBDII code P1870 related to transmission component slipping in an Isuzu?

- While some basic maintenance tasks like checking and refilling transmission fluid can be done DIY, addressing the underlying causes of OBDII code P1870 typically requires professional expertise and specialized tools.

8. How much does it usually cost to repair OBDII code P1870 in an Isuzu due to transmission component slipping?

- The cost of repairing OBDII code P1870 in an Isuzu can vary depending on the specific cause of the issue, the extent of damage, and labor rates. It is advisable to get a professional diagnosis and estimate for an accurate cost assessment.

9. Can neglecting OBDII code P1870 in an Isuzu with transmission component slipping lead to further damage?

- Neglecting OBDII code P1870 in an Isuzu indicating transmission component slipping can lead to further damage to the transmission system, potentially resulting in costly repairs or even transmission failure. It is crucial to address the issue promptly.

10. How long does it typically take to repair OBDII code P1870 related to transmission component slipping in an Isuzu?

- The repair time for OBDII code P1870 in an Isuzu due to transmission component slipping can vary depending on the specific issue, availability of parts, and the shop's workload. It is recommended to consult with a professional for an estimated repair timeline.

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