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 DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 8 (ELECTRONIC SHIFT MODULE (ESM) - ELECTRICAL DIAGNOSTICS - 8HP70 AUTOMATIC TRANSMISSION)
2014 Jeep Grand Cherokee Laredo, AWD
Section 8 (Electronic Shift Module (ESM) - Electrical Diagnostics - 8HP70 Automatic Transmission)
2014 Jeep Grand Cherokee Laredo, AWDSECTION Section 8 (Electronic Shift Module (ESM) - Electrical Diagnostics - 8HP70 Automatic Transmission)
WARNING: This page is about a different variant/trim than selected.
- Diagnostic Code Index
- DTC Troubleshooting
- P0607-Ecu Internal Performance - ESM
- P0750-Shift Solenoid 1 Control Circuit/Open
- P0755-Shift Solenoid 2 Control Circuit/Open
- P0814-00-Transmission Range Display Circuit
- P0820-00-Gear Lever X-Y Position Sensor Circuit
- P1C73-00-Park Switch Circuit Stuck
- P1C83-00-AUTOSTICK Engage Failure
- P1C84-14-AUTOSTICK Disengage Failure-Circuit Short To Ground Or Open
- P1C85-2A-Shift Lever-Stuck
- P1C86-14-PRNDL Display-Circuit Short To Ground Or Open
- P1C87-2A-Trigger Switch-Stuck
- P1C87-92-Trigger Switch-Performance Or Incorrect Operation
- P1C88-00-Park Switch Circuit Performance
- P1C8B-16-Battery Voltage - Circuit Voltage Below Threshold
- P1C8B-17-Battery Voltage - Circuit Voltage Above Threshold
- P1C8C-16-System Voltage-Circuit Voltage Below Threshold
- P1C8C-17-System Voltage-Circuit Voltage Above Threshold
- U0002-88-Can C Bus Off Performance-Bus Off
- U0074-00-Dedicated Powertrain (D-Pt) Can Bus Off
- U0101-08-Lost Communication With TCM-Bus Signal/Message Failures
- U0402-00-Implausible Data Received From TCM
- U1175-00-Lost Ignition Status Message
- U11C3-00-ESM Lost Communication With TCM On D-Pt Can
- U145D-00-Implausible Data Received From TCM On D-Pt
- Standard Procedure
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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.