P0814
P0814: Transmission Control Module (TCM) Range/Performance Issue
📖 What Does P0814 Mean?
Symptoms
- • Transmission slipping
- • hesitation
- • or refusal to engage gears
- • unusual noises
- • or difficulty shifting
Common Causes
- • Faulty TCM
- • transmission solenoid malfunction
- • wiring issues
- • or low transmission fluid level
Possible Solutions
1. Check transmission fluid level and condition; 2. Inspect wiring and connectors for damage; 3. Test transmission solenoids; 4. Update TCM software if necessary; 5. Replace faulty TCM or transmission solenoids if necessary
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❓ Common Questions About P0814
Can I drive with code P0814?
You can drive for a short time, but should address code P0814 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0814?
The estimated repair cost for code P0814 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 P0814
P0812: Transmission Control Module (TCM) Internal Fault
P0813: Transmission Control Module (TCM) Internal Fault
P0815: Transmission Control Module (TCM) Internal Fault
P0816: Transmission Control Module (TCM) Range/Performance Issue
💡 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