P0806
P0806: Transmission Control Module (TCM) Range/Performance Problem
📖 What Does P0806 Mean?
Symptoms
- • Transmission hesitation
- • slipping
- • or difficulty shifting gears
- • unusual noises
- • or the transmission warning light on the dashboard.
Common Causes
- • Faulty transmission solenoid
- • faulty transmission sensor
- • low transmission fluid level
- • clogged transmission filter
- • or a faulty transmission control module.
Possible Solutions
1. Check transmission fluid level and condition. 2. Scan for any other trouble codes. 3. Test transmission solenoids and sensors. 4. Replace faulty solenoids or sensors. 5. Check and clean the transmission filter. 6. Update the transmission control module's software if necessary.
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❓ Common Questions About P0806
Can I drive with code P0806?
You can drive for a short time, but should address code P0806 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0806?
The estimated repair cost for code P0806 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 P0806
P0804: Transmission Control Module (TCM) Range/Performance Problem
P0805: Transmission Control Module (TCM) Range/Performance Problem
P0807: Transmission Control Module (TCM) Range/Performance Issue
P0808: 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