P2773 — Four Wheel Drive (4WD) Low Switch Circuit Low

What Does P2773 Mean?

P2773 is a diagnostic trouble code indicating: Four Wheel Drive (4WD) Low Switch Circuit Low. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2773

⚠️ Check Engine Light (MIL) illuminated
⚠️ Four Wheel Drive (4WD) Low Switch reading at zero or minimum value
⚠️ Related system not functioning or in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Open or broken wire in Four Wheel Drive (4WD) Low Switch circuit
🔍 Poor ground connection at Four Wheel Drive (4WD) Low Switch
🔍 Faulty Four Wheel Drive (4WD) Low Switch with no output signal
🔍 Disconnected or loose Four Wheel Drive (4WD) Low Switch connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does P2773 mean?

P2773 indicates: Four Wheel Drive (4WD) Low Switch Circuit Low. The vehicle's computer has detected that the Four Wheel Drive (4WD) Low Switch is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2773?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2773 for extended periods may cause additional problems.

How much does it cost to fix P2773?

Repair costs for P2773 typically range from $20 to $300, 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

🔧 Repair broken wire or restore ground in Four Wheel Drive (4WD) Low Switch circuit
🔧 Clean and secure Four Wheel Drive (4WD) Low Switch connector and ground points
🔧 Replace failed Four Wheel Drive (4WD) Low Switch

1
Find your vehicle above
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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.

P2773: Four Wheel Drive (4WD) Low Switch Circuit Low