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 - NON-ADAPTIVEDIAGNOSTIC ROUTINE A
2012 Ford Explorer AWD V6-3.5L
Diagnostic Routine A
2012 Ford Explorer AWD V6-3.5LSECTION Diagnostic Routine A
Diagnostic Routine A
Diagnostic Overview
The Cruise Control Is Inoperative
Normal Operation and Fault Conditions
REFER to Steering Wheel Switches .
REFER to Cruise Control Operation .
Pinpoint Test
1. CHECK FOR PCM (Powertrain Control Module) DTCs (Diagnostic Trouble Codes)
1. Ignition ON.
2. Using a scan tool, perform the PCM (Powertrain Control Module) KOEO (Key ON Engine OFF) self-test.
Are any DTCs (Diagnostic Trouble Codes) recorded?
2. CHECK FOR SCCM (Steering Column Control Module) DTCs (Diagnostic Trouble Codes)
1. Using a scan tool, perform the SCCM (Steering Column Control Module) self-test.
Are any DTCs (Diagnostic Trouble Codes) recorded?
3. CHECK THE STOPLAMP SWITCH (BOO1) AND CRUISE CONTROL DEACTIVATOR SWITCH (BOO2) PIDs (Parameter Identifications)
1. Using a scan tool, view the Powertrain - Cruise Control PIDs (Parameter Identifications).
2. Monitor the powertrain PIDs (Parameter Identifications) BOO1 (stoplamp switch) and BOO2 (cruise control deactivator switch) while applying and releasing the brake pedal.
Do the PID (Parameter Identification) values agree with the brake pedal position?
4. CHECK THE CRUISE CONTROL SWITCH
1. Using a scan tool, view PCM (Powertrain Control Module) - Cruise Control PIDs (Parameter Identifications).
2. Press each cruise control switch while monitoring the cruise control switch PID (Parameter Identification) SCCS.
Does the PID (Parameter Identification) value agree with the switch position?
5. CHECK FOR CORRECT PCM (Powertrain Control Module) OPERATION
1. Disconnect and inspect all the PCM (Powertrain Control Module) connectors.
2. Repair:
- corrosion (install new connector or terminals- clean module pins)
- damaged pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
3. Reconnect the PCM (Powertrain Control Module) connectors. Make sure they seat and latch correctly.
4. Operate the system and determine if the concern is still present.
Is the concern still present?
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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.