P0870
P0870: Transmission Control Module (TCM) Range/Performance Problem
📖 What Does P0870 Mean?
Symptoms
- • Transmission slips
- • hesitation
- • or refuses to engage gears
- • unusual noises
- • or vibrations while driving.
Common Causes
- • Faulty TCM
- • faulty transmission solenoids
- • faulty transmission sensors
- • wiring issues
- • or software problems.
Possible Solutions
1. Clear any trouble codes and test drive the vehicle to see if the issue persists. 2. Check and replace any faulty transmission solenoids or sensors. 3. Inspect and repair any wiring issues. 4. Update the TCM software if necessary. 5. Replace the TCM if all else fails.
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❓ Common Questions About P0870
Can I drive with code P0870?
You can drive for a short time, but should address code P0870 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0870?
The estimated repair cost for code P0870 is between $200 and $1000. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P0870
P0868: Transmission Control Module (TCM) Range/Performance Problem
P0869: Transmission Control Module (TCM) Range/Performance Problem
P0871: Transmission Control Module (TCM) Range/Performance Problem
P0872: Transmission Control Module (TCM) Range/Performance Problem
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system