Ford Codes List

Ford-enhanced trouble code lookup
for Ford, Lincoln and Mercury.

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655 Ford-enhanced codes on file

Code
P1824

Transmission 4-Wheel Drive Clutch Relay Circuit Failure

Category
Powertrain - Transmission
Severity
Check Engine Light
Applies to
Explorer, Expedition with auto 4WD clutches

Findings, check these first

  • Failed 4WD clutch relay
  • Open relay control circuit
  • Blown clutch fuse
  • Corroded relay socket
  • Module driver fault

Standard procedure

  1. Check the clutch fuse
  2. Swap the relay
  3. Test control circuit continuity
  4. Inspect the socket
  5. Verify auto 4WD engagement returns

Code lookup

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Sources and review

Review: checked against the recorded source material.

  • OBDII.pro: P1824 Ford definition

    live reference page (obdii.pro)

    Supports: Ford-family meaning for P1824: Transmission 4-Wheel Drive Clutch Relay Circuit Failure

    Fetched directly. obdii.pro is a publisher independent of the engine-codes family.

  • P1824 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes

    live reference page (obd2-codes.co)

    Supports: Ford meaning for P1824: Transmission 4-Wheel Drive Clutch Relay Circuit Failure

    Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.

Last updated 2026-09-06.

Report a correction for P1824. Include your vehicle, the issue and a source if you have one.

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