Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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X20 - DTC 1474: Does Fan Run With Key on?



Diagnostic Trouble Code (DTC) 1474 indicates an LFC (FC for one speed fan applications) primary circuit failure.

Possible causes are:
- Open or shorted circuit.
- Damaged CCRM.
- Damaged PCM.

- Does the cooling fan always run with the key on?

YES -- GO to X23. X23 - Check FC/LFC Circuit Continuity

NO -- GO to X21. X21 - Check FC/LFC Circuit For Short to Ground