P0828 — Up and Down Shift Switch Circuit High

What Does P0828 Mean?

P0828 is a diagnostic trouble code indicating: Up and Down Shift Switch Circuit High. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0828

⚠️ Check Engine Light (MIL) illuminated
⚠️ Up and Down Shift Switch reading stuck at maximum value
⚠️ Related system operating erratically or in default mode
⚠️ Harsh or delayed shifting

Common Causes

🔍 Short to voltage in Up and Down Shift Switch wiring harness
🔍 Corroded or water-damaged Up and Down Shift Switch connector
🔍 Faulty Up and Down Shift Switch outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does P0828 mean?

P0828 indicates: Up and Down Shift Switch Circuit High. The vehicle's computer has detected that the Up and Down Shift Switch is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P0828?

Only short distances if absolutely necessary. P0828 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P0828?

Repair costs for P0828 typically range from $20 to $500, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and repair Up and Down Shift Switch wiring for short to voltage
🔧 Clean or replace corroded Up and Down Shift Switch connector
🔧 Replace faulty Up and Down Shift Switch

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P0828: Up and Down Shift Switch Circuit High