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 MANUALSJEEP2010GRAND CHEROKEE LIMITED, 5.7 T, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMS(FRONT CONTROL MODULE (FCM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGB1D51-ADJUSTABLE PEDAL INHIBIT CIRCUIT OPENDIAGNOSTIC TEST
2010 Jeep Grand Cherokee Limited, 5.7 T, 4WD
Diagnostic Test
2010 Jeep Grand Cherokee Limited, 5.7 T, 4WDSECTION Diagnostic Test
- CHECK FOR A DTC B1D51-ADJUSTABLE PEDAL INHIBIT CIRCUIT OPEN NOTE: This DTC must be active for the results of this test to be valid.
- Turn the ignition on.
- With the scan tool, read and record DTCs.
- With the scan tool, read and record Freeze Frame information.
- With the scan tool, erase DTCs.
- Cycle the ignition switch from off to on.
- With the scan tool, read and record DTCs.
Does the scan tool display this DTC as active?
Yes
- Go to step 2
No
- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Refer to the APS INTERMITTENT CONDITION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
- CHECK THE TERMINALS/CONNECTORS FOR DAMAGE NOTE: Check all related wiring for bruised, chafed, pierced, or partially broken wires.
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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.