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 MANUALSJEEP2014GRAND CHEROKEE LAREDO, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESELECTRONIC CONTROL MODULES (SERVICE INFORMATION)MODULE, POWERTRAIN CONTROLOPERATION5 VOLT SUPPLIES
2014 Jeep Grand Cherokee Laredo, AWD
5 Volt Supplies
2014 Jeep Grand Cherokee Laredo, AWDSECTION 5 Volt Supplies
Primary 5-volt supply:
- supplies the required 5 volt power source to the Crankshaft Position (CKP) sensor.
- supplies a reference voltage for the Throttle Position Sensor (TPS) sensor.
- supplies the required 5 volt power source to the oil pressure sensor.
- A/C pressure sensor
- Accelerator position sensor 1
Secondary 5-volt supply:
- supplies a reference voltage for the Manifold Absolute Pressure (MAP) sensor.
- supplies the required 5 volt power source to the Camshaft Position (CMP) sensor.
- Accelerator position sensor 2
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.