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 MANUALSFORD2012EXPLORER AWD V6-3.5LREPAIR AND DIAGNOSISCRUISE CONTROLTESTING AND INSPECTIONPINPOINT TESTSCRUISE CONTROL - ADAPTIVEDIAGNOSTIC ROUTINE M
2012 Ford Explorer AWD V6-3.5L
Diagnostic Routine M
2012 Ford Explorer AWD V6-3.5LSECTION Diagnostic Routine M
Diagnostic Routine M
Diagnostic Overview
U0104
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
Pinpoint Test
1. VERIFY THE CUSTOMER CONCERN
1. Ignition ON.
2. Verify there is an observable symptom present.
Is an observable symptom present?
2. CHECK THE COMMUNICATION NETWORK
1. Ignition ON.
2. Using a scan tool, perform a network test.
Does the C-CM (Cruise-Control Module) pass the network test?
3. CHECK THE C-CM (Cruise-Control Module) FOR BATTERY VOLTAGE OUT-OF-RANGE DTCs (Diagnostic Trouble Codes)
1. Using a scan tool, perform the C-CM (Cruise-Control Module) self-test.
Is DTC (Diagnostic Trouble Code) U3003:16 or DTC (Diagnostic Trouble Code) U3003:17 recorded?
4. RECHECK THE PCM (Powertrain Control Module) DTCs (Diagnostic Trouble Codes)
1. Using a scan tool, clear all DTCs (Diagnostic Trouble Codes).
2. Ignition OFF.
3. Wait 10 seconds.
4. Ignition ON.
5. Repeat the PCM (Powertrain Control Module) self-test.
Is DTC (Diagnostic Trouble Code) U0104 still present?
5. CHECK FOR DTC (Diagnostic Trouble Code) U0104 OR DTC (Diagnostic Trouble Code) U0104:00 SET IN OTHER MODULES
1. Clear all DTCs (Diagnostic Trouble Codes).
2. Ignition OFF.
3. Wait 10 seconds.
4. Ignition ON.
5. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.
Is DTC (Diagnostic Trouble Code) U0104 or U0104:00 set in other modules?
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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.