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.
2008 Jeep Commander Base, 3.7 K, RWDFACTORY OEM SERVICE PROCEDURE
DTCS B10A5 To U0168
- B10A5-Left Blend Door Control Circuit Open (ATC)
- B10A6-Left Blend Door Travel Range Too Small (ATC)
- B10A7-Left Blend Door Travel Range Too Large (ATC)
- B10A8-Left Blend Door Actuator Performance (ATC)
- B10A9-Right Blend Door Control Circuit/Performance (ATC)
- B10AC-Right Blend Door Control Circuit Open (ATC)
- B10AD-Right Blend Door Travel Range Too Small (ATC)
- B10AE-Right Blend Door Travel Range Too Large (ATC)
- B10AF-Right Blend Door Actuator Performance (ATC)
- B10B2-A/C Cool Down Test Performance (ATC)
- B10B4-Cabin Heater 1 Control Circuit Low (FCM)
- B10B5-Cabin Heater 1 Control Circuit High (FCM)
- B10B8-Cabin Heater 2 Control Circuit Low (FCM)
- B10B9-Cabin Heater 2 Control Circuit High (FCM)
- B1601-Left Solar Sensor Circuit Low (ATC)
- B1602-Left Solar Sensor Circuit High (ATC)
- B1604-Right Solar Sensor Circuit Low (ATC)
- B1605-Right Solar Sensor Circuit High (ATC)
- U0019-Can B Bus (ATC)
- U0141-Lost Communication With Front Control Module (ATC)
- U0151-Lost Communication With Occupant Restraint Controller (Orc) (ATC)
- U0154-Lost Communication With Occupant Classification Module (ATC)
- U0155-Lost Communication With Cluster/CCN (ATC)
- U0159-Lost Communication With Parking Assist Control Module (ATC)
- U0167-Lost Communication With Intrusion Transceiver Control Module (ATC)
- U0168-Lost Com With Vehicle Security Control Module (SKREEM/WCM) (ATC)
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.
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