Mitsubishi P0841 Error Code: How to Fix It
Hard 3-5 hours High Severity
Verified June 2026
- Error Code
- P0841
- Brand
- Mitsubishi
- Product Type
- automotive
- Severity
- High
- DIY Difficulty
- Hard
- Estimated Fix Time
- 3-5 hours
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Tools You'll Need
- OBD2 scanner
- Socket wrench set
- Multimeter
- Drain pan
- Funnel
- Jack and jack stands
- Safety glasses
- Nitrile gloves
How to Fix Error Code P0841
-
Scan for Additional Codes
Park on level ground and engage parking brake before starting diagnostics -
Check Transmission Fluid Level and Condition
Engine and transmission will be hot - use caution to avoid burns -
Inspect Transmission Wiring Harness
Disconnect battery negative terminal before working on electrical connections -
Test Sensor Voltage and Resistance
-
Replace Transmission Fluid Pressure Sensor
Wear safety glasses and gloves - transmission fluid can be harmful to skin and eyes -
Refill Fluid and Test System
Use only manufacturer-specified transmission fluid type
Parts You May Need
Transmission fluid pressure sensor
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Transmission filter
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Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
Transmission fluid pressure sensor
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
Transmission fluid pressure sensor
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
Transmission fluid pressure sensor
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
Transmission fluid pressure sensor
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
Transmission fluid pressure sensor
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
Transmission fluid pressure sensor
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
Transmission fluid pressure sensor
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Transmission fluid
Check Price on Amazon
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When to Call a Professional
Call a professional transmission specialist if you're not comfortable working with transmission components, if multiple transmission codes are present, or if the problem persists after sensor replacement. Complex internal transmission problems require specialized tools and expertise.Frequently Asked Questions
Can I drive with Mitsubishi P0841 error code?
You should avoid driving with P0841 as it indicates transmission pressure problems that can cause sudden shifting issues or complete transmission failure. Have it diagnosed and repaired as soon as possible.
What causes Mitsubishi P0841 transmission pressure sensor error?
Common causes include faulty transmission fluid pressure sensor, damaged wiring harness, low or contaminated transmission fluid, clogged transmission filter, or internal transmission problems affecting fluid pressure.
How much does it cost to fix P0841 on a Mitsubishi?
Repair costs range from $150-400 for sensor replacement to $800-1500 if internal transmission components are damaged. Early diagnosis and repair typically costs less than waiting until transmission fails completely.
Will P0841 cause my Mitsubishi transmission to slip?
Yes, P0841 can cause transmission slipping, harsh shifts, delayed engagement, or stuck gears because the transmission control module cannot properly regulate fluid pressure without accurate sensor readings.