P0878
P0878: Transmission Control Module (TCM) Range/Performance Problem
📖 What Does P0878 Mean?
Symptoms
- • Transmission slips
- • hesitation
- • or hesitation when shifting gears
- • difficulty shifting into gear
- • transmission warning light on the dashboard
Common Causes
- • Faulty transmission sensor
- • faulty transmission solenoid
- • transmission hydraulic system problem
- • clogged transmission filter
- • low transmission fluid level
Possible Solutions
1. Check transmission fluid level and condition, 2. Scan for any other trouble codes, 3. Check transmission sensor and solenoid for any signs of damage or wear, 4. Perform a transmission fluid flush and replace the filter, 5. If the problem persists, replace the transmission sensor and/or solenoid
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❓ Common Questions About P0878
Can I drive with code P0878?
You can drive for a short time, but should address code P0878 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0878?
The estimated repair cost for code P0878 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 P0878
P0876: Transmission Control Module (TCM) Range/Performance Issue
P0877: Transmission Control Module (TCM) Range/Performance Problem
P0879: Transmission Control Module (TCM) Range/Performance Problem
P0880: Transmission Control Module (TCM) Internal Failure
💡 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