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.
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HOMESERVICE MANUALSJEEP2008COMMANDER 2WD V8-4.7LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTENGINE CONTROLS - MIL ON/DTC P0481 SET
2008 Jeep Commander 2WD V8-4.7L
Engine Controls - MIL ON/DTC P0481 Set
2008 Jeep Commander 2WD V8-4.7LSECTION Engine Controls - MIL ON/DTC P0481 Set
NUMBER: 18-047-07
GROUP: Vehicle Performance
DATE: November 13, 2007
SUBJECT:
MIL Illumination Due To Diagnostic Trouble Code P0481 - Cooling Fan 2 Control Circuit
MODELS:
2008 (WH) Grand Cherokee (International Markets)
2008 (WK) Grand Cherokee
2008 (XH) Commander (International Markets)
2008 (XK) Commander
NOTE:
This bulletin applies to vehicles equipped with gas engines only.
DISCUSSION:
A issue was discovered with StarSCAN(R) version 8.02 when performing the "Vehicle Configuration Update" procedure on the vehicle listed above. This version of the StarSCAN(R) erroneously set a MIL Illumination for Diagnostic Trouble Code P0481 - Cooling Fan 2 Control Circuit. Version 8.03 of StarSCAN(R) corrected this condition.
If a vehicle comes in with DTC P0481 - Cooling Fan 2 Control Circuit, ensure the StarSCAN� is operating at version 8.03 and perform a "Vehicle Configuration Update procedure. Connect the StarSCAN(R) to the vehicle and with the ignition key in the run position actuate the High Speed Radiator Fan Relay. Read DTC's with the StarSCAN(R) and if the DTC returns further diagnosis is required. Refer to the appropriate Diagnostic Procedures available in TechCONNECT. If the DTC does not return no further action is required
NOTE:
Always ensure your StarSCAN(R) is operating at the latest level of software available.
POLICY:
Information only
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.
GROUP: Vehicle Performance
DATE: November 13, 2007
SUBJECT:
MIL Illumination Due To Diagnostic Trouble Code P0481 - Cooling Fan 2 Control Circuit
MODELS:
2008 (WH) Grand Cherokee (International Markets)
2008 (WK) Grand Cherokee
2008 (XH) Commander (International Markets)
2008 (XK) Commander
NOTE:
This bulletin applies to vehicles equipped with gas engines only.
DISCUSSION:
A issue was discovered with StarSCAN(R) version 8.02 when performing the "Vehicle Configuration Update" procedure on the vehicle listed above. This version of the StarSCAN(R) erroneously set a MIL Illumination for Diagnostic Trouble Code P0481 - Cooling Fan 2 Control Circuit. Version 8.03 of StarSCAN(R) corrected this condition.
If a vehicle comes in with DTC P0481 - Cooling Fan 2 Control Circuit, ensure the StarSCAN� is operating at version 8.03 and perform a "Vehicle Configuration Update procedure. Connect the StarSCAN(R) to the vehicle and with the ignition key in the run position actuate the High Speed Radiator Fan Relay. Read DTC's with the StarSCAN(R) and if the DTC returns further diagnosis is required. Refer to the appropriate Diagnostic Procedures available in TechCONNECT. If the DTC does not return no further action is required
NOTE:
Always ensure your StarSCAN(R) is operating at the latest level of software available.
POLICY:
Information only
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.
RENDER: 1.0x
NO RELATED
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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.