P0826: Up and Down Shift Switch Circuit
What Does P0826 Mean?
P0826 is a diagnostic trouble code indicating: Up and Down Shift Switch Circuit. This code relates to the transmission system. It has been reported in NHTSA complaints across 3 different vehicle models.
Symptoms of P0826
- ⚠️ Check engine light illuminated
- ⚠️ Vehicle enters limp/reduced power mode
- ⚠️ Steering issues
Common Causes
- 🔍 Throttle body or throttle position sensor issue
- 🔍 Wiring or connector problem
- 🔍 Sensor or control module malfunction
P0826 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"AROUND THE TIME I BOUGHT THE CAR, ON 11/30/12 AT 5812 MILES, UNKNOWN TO ME THE CAR HAD A CONCERN OF LOSS OF BATTERY CHARGE WHICH CALLED FOR AN INSPECTION OF THE GENERATOR CONTROL MODULE. SO A GEN CONTROL MODULE PERFORMANCE TEST PER RECALL WAS PERFORMED. IN MAY OF 2013, I STOPPED AT RED TRAFFIC L"
— Chevrolet Malibu owner, 07/26/2014
"While my daughter was attempting to exit a parking lot, she put the car in drive pressed accelerator pedal and there was no response from car. Pressed accelerator again and car took off and hit a 13 inch curb causing major front end damage to vehicle. An initial diagnostic scan revealed a transmissi"
— Chevrolet Malibu owner, 02/25/2023
"MY 2011 NISSAN ALTIMA HAS LESS THAN 53,000 MILES, FOR THE PAST SEVERAL MONTHS I KEEP GETTING A CHECK ENGINE LIGHT THAT COMES ON AND THEN GOES AWAY AFTER ABOUT A WEEK. WHEN CHECKED THE CODE IT IS GIVING IS P0826 WHICH INDICATES "A PROBLEM IN THE ELECTRICAL CIRCUIT OF THE UPSHIFT/DOWNSHIFT SWITCH TO "
— Nissan Altima owner, 03/04/2018
Source: NHTSA Complaints Database
Most Reported Vehicles for P0826
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | CHEVROLET MALIBU | |
| 2 | NISSAN ALTIMA | |
| 3 | GMC ACADIA |
P0826 Reports by Vehicle
Detailed NHTSA complaint analysis for each vehicle model.
Frequently Asked Questions
Is it safe to drive with this transmission code?
Do I need a full transmission rebuild?
How much does a transmission repair cost?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Test the relevant sensor(s) with a multimeter before replacing
- 🔧 Inspect wiring harness and connectors for damage, corrosion, or loose connections
- 🔧 Check transmission fluid level and condition; top off or change if needed
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.