P0808
P0808: Transmission Control Module (TCM) Range/Performance Issue
📖 What Does P0808 Mean?
Symptoms
- • Transmission slipping
- • hesitation
- • or hesitation when shifting gears
- • unusual noises
- • or the transmission light illuminated on the dashboard.
Common Causes
- • Faulty transmission solenoid
- • faulty transmission sensor
- • faulty transmission control module
- • low transmission fluid level
- • clogged transmission filter
- • or internal transmission damage.
Possible Solutions
1. Check transmission fluid level and condition. 2. Scan for any other trouble codes. 3. Check transmission solenoid and sensor for any signs of damage or corrosion. 4. Replace faulty transmission solenoid or sensor. 5. Update transmission control module software if necessary. 6. Perform a transmission fluid flush and filter replacement.
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❓ Common Questions About P0808
Can I drive with code P0808?
You can drive for a short time, but should address code P0808 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0808?
The estimated repair cost for code P0808 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
Recommended Tools
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P0808
P0806: Transmission Control Module (TCM) Range/Performance Problem
P0807: Transmission Control Module (TCM) Range/Performance Issue
P0809: Transmission Control Module (TCM) Range/Performance Issue
P0810: 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