P1822: Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery

What does P1822 mean?

P1822 is a diagnostic trouble code indicating "Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery". The ECU is detecting a voltage reading that is below the expected range in the ignition system circuit. This typically points to a wiring short, a faulty sensor, or a grounding issue.

Common causes

• Damaged or corroded wiring harness
• Loose or disconnected electrical connector
• Failed ignition system sensor or actuator
• Blown fuse in the related circuit
• Poor ground connection

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

Get a diagnosis for YOUR car

Code P1822 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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