P0855
P0855: Transmission Control Module (TCM) Range/Performance Issue
📖 What Does P0855 Mean?
Symptoms
- • Transmission slips
- • hesitates
- • or refuses to engage gears
- • unusual noises
- • or the 'check engine' light comes on.
Common Causes
- • Faulty transmission range sensor
- • wiring issues
- • TCM software glitch
- • or transmission fluid leak.
Possible Solutions
1. Clear the code and monitor the vehicle's behavior. If the issue persists, replace the transmission range sensor. 2. Inspect and repair any wiring damage. 3. Update the TCM software if necessary. 4. Check and top off transmission fluid levels.
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❓ Common Questions About P0855
Can I drive with code P0855?
You can drive for a short time, but should address code P0855 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0855?
The estimated repair cost for code P0855 is between $200 and $800. 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 P0855
P0853: Transmission Control Module (TCM) Range/Performance Issue
P0854: Transmission Control Module (TCM) Range/Performance Problem
P0856: Transmission Control Module (TCM) Range/Performance Issue
P0857: 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