P0839
P0839: Transmission Control Module (TCM) Range/Performance Problem
📖 What Does P0839 Mean?
Symptoms
- • Transmission hesitates or slips
- • difficulty shifting gears
- • transmission warning light on
Common Causes
- • Faulty transmission solenoid
- • clogged transmission filter
- • low transmission fluid level
- • faulty TCM
Possible Solutions
1. Check transmission fluid level and condition, 2. Replace transmission filter, 3. Test transmission solenoids, 4. Update TCM software, 5. Replace faulty TCM
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❓ Common Questions About P0839
Can I drive with code P0839?
You can drive for a short time, but should address code P0839 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0839?
The estimated repair cost for code P0839 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 P0839
P0837: Transmission Control Module (TCM) Range/Performance Problem
P0838: Transmission Control Module (TCM) Range/Performance Problem
P0840: Transmission Control Module (TCM) Range/Performance Problem
P0841: 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