P1823 — Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Ground

What Does P1823 Mean?

P1823 is a manufacturer-specific diagnostic trouble code: Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Ground. This code applies to OTHER, VOLKSWAGEN, BUICK, CADILLAC, CHEVY vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1823

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Transmission Transfer Case Clockwise Shift Relay Coil Short readings
⚠️ Related system operating intermittently
⚠️ Reduced engine performance

Common Causes

🔍 Wiring issue in Transmission Transfer Case Clockwise Shift Relay Coil Short circuit (damaged, chafed, or corroded)
🔍 Faulty Transmission Transfer Case Clockwise Shift Relay Coil Short connector or terminal
🔍 Failed Transmission Transfer Case Clockwise Shift Relay Coil Short
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P1823 mean?

P1823 indicates: Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Ground. The vehicle's computer has detected that the Transmission Transfer Case Clockwise Shift Relay Coil Short is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1823?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1823 for extended periods may cause additional problems.

How much does it cost to fix P1823?

Repair costs for P1823 typically range from $80 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

🔧 Inspect and repair Transmission Transfer Case Clockwise Shift Relay Coil Short wiring and connectors
🔧 Replace faulty Transmission Transfer Case Clockwise Shift Relay Coil Short

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.

P1823: Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Ground