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 Jeep Commander Overland, 4WDFACTORY OEM SERVICE PROCEDURE
(Cabin Compartment Node (CCN) - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- B1082-HVAC MUX Circuit Low
- B1083-HVAC MUX Circuit High
- B1084-Left Heated Seat Switch Input Circuit/Performance
- B1087-Right Heated Seat Switch Input Circuit/Performance
- B10BB-Left Heated Seat Switch Input Circuit Stuck
- B10BC-Right Heated Seat Switch Input Circuit Stuck
- B114C-Left Rear Heated Seat Switch Stuck
- B1151-Right Rear Heated Seat Switch Stuck
- B1200-Airbag Warning Indicator Circuit Low
- B1201-Airbag Warning Indicator Circuit Open
- B123F-Menu Switch Stuck
- B1240-Step Switch Stuck
- B1241-C/T Switch Stuck
- B1242-Reset Switch Stuck
- B1243-Rear Park Assist Disable Switch Stuck
- B1285-Park Assist Disable Switch Performance
- B1286-Compass/Temp Button Performance
- B1287-Reset Switch Performance
- B1609-Panel Dimmer Input Circuit/Performance
- B1612-Panel Illumination Control Circuit
- B161A-Courtesy/Dome Lamp Control Circuit
- B161E-Reading Lamp Control Circuit
- B168F-Front Fog Lamp Switch Stuck
- B182D-All Door Lock Control Circuit Low
- B182E-All Door Lock Control Circuit High
- B1835-Driver Door Unlock Control Circuit Low
- B1836-Driver Door Unlock Control Circuit High
- B1839-Passenger Doors Unlock Control Circuit Low
- B183A-Passenger Doors Unlock Control Circuit High
- B184E-Flipper Glass Control Circuit Low
- B184F-Flipper Glass Control Circuit High
- B1851-Flipper Glass Switch Stuck
- B210D-Battery Voltage Low
- B211A-Ignition Run/Acc/SPAD Control Circuit Low
- B211B-Ignition Run/Acc/SPAD Control Circuit High
- B2122-Ignition Run Control Circuit Low
- B2123-Ignition Run Control Circuit High
- B2213-CCN Internal
- B2339-Horn Switch Stuck
- P1103-Dc To Ac Converter Switch Stuck
- U0019-Can B Bus
- U0141-Lost Communication With Front Control Module
- U0151-Lost Communication With Occupant Restraint Controller
- U0154-Lost Communication With Occupant Classification Module
- U0159-Lost Communication With Parking Assist Control Module
- U0161-Lost Communication With Compass Module
- U0164-Lost Communication With HVAC Control Module
- U0168-Lost Communication With Vehicle Security Control Module (Win)
- U0169-Lost Communication With Sunroof Control Module
- U0184-Lost Communication With Radio
- U0186-Lost Communication With Audio Amplifier
- U0196-Lost Communication With Vehicle Entertainment Control Module
- U0197-Lost Communication With Hands Free Phone Module
- U0199-Lost Communication With Driver Door Module
- U0200-Lost Communication With Passenger Door Module
- U0208-Lost Communication With Heated Seat Control Module
- U0209-Lost Communication With Memory Seat Control Module
- U0212-Lost Communication With SCCM-Can-B
- U0231-Lost Communication With Rain Sensing Module
- U0241-Lost Communication With Auto High Beam Headlamp Control Module
- U1008-Lin 1 Bus
- U1109-Lost Communication With Lin Steering Wheel Controls
- U1121-Lost Communication With Lin Ecu 1
- U1122-Lost Communication With Lin Ecu 2
- U1149-Lost Communication With Multi-Function Switch
- U1191-Lost Communication With Upper Switch Bank
- U1192-Lost Communication With Lower Switch Bank
Factory Service Tools
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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.
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