Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Chrysler 300 LXFACTORY OEM SERVICE PROCEDURE
(Steering Control Module (SCM) - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- B1489-Steering Wheel Control Audio Switch Circuit
- B148A-Steering Wheel Control Menu Switch Circuit
- B148B-Steering Wheel Control Up Switch Circuit
- B148C-Steering Wheel Control Down Switch Circuit
- B148D-Steering Wheel Control Side Switch Circuit
- B148E-Steering Wheel Control [+] Switch Circuit
- B148F-Steering Wheel Control [-] Switch Circuit
- B1490-Steering Wheel Control C/T Switch Circuit
- B1DA0-Steering Column Tilt Switch Circuit Stuck
- B1DA5-Steering Column Telescope Switch Circuit Stuck
- B2225-Steering Control Module Internal
- B2332-Horn Switch Input Circuit/Performance
- C1219-Steering Angle Sensor Erratic Performance
- P0562-Battery Voltage Low
- P0563-Battery Voltage High
- P0585-Speed Control Multiplexed Switch 1/2 Correlation
- U0002-Can C Bus Off Performance
- U0019-Can B Bus Circuit
- U0121-Lost Communication With Anti-Lock Brake System (Abs) Control Module
- U0141-Lost Communication With IPM (FCM/TIPM)
- U0155-Lost Communication With Cluster / CCN
- U1109-Lost Communication With Lin Steering Wheel Controls
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.