C121A-00 DODGE, CHRYSLER 300 Steering Angle Sensor Not Initialized

C121A-00 Steering angle sensor not initialized

The Steering Angle Sensor (SAS) has not been properly initialized.

Possible causes
  • Clockspring/SAS

C121A-00 DODGE, CHRYSLER 300 Steering Angle Sensor Not Initialized

Diagnose

Check for an active DTC

Note: Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connnectors may cause the DTC to set.

Note: If steering system service has been performed and the steering angle sensor (SAS) has been installed incorrectly, this DTC may set.

Turn the ignition on, with the scan tool, read DTCs.

Does the scan tool display this DTC as active?

YES,

Warning: Turn the ignition off disconnect the 12 volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

Warning: Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.

Replace the clockspring/SAS.

NO, test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or terminals, and correct pin tension.

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