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.
2021 Jeep Grand Cherokee L Laredo, AWDFACTORY OEM SERVICE PROCEDURE
DTC Index
Select a section or procedure below to view factory instructions:
Circuit Testing ProceduresAmplifier (Amp)Cluster, InstrumentController, Occupant Restraint (Orc)HVAC, ATC - LHDModule, Air Suspension Control (ASCM)Module, Ambient Light (ALM)Module, Body Control (BCM)Module, Brake System Control (BSCM)Module, Central ADAS Decision (CADM), Low LevelModule, Digital TVModule, Display Screen (DSM)Module, Driver Door (DDM)Module, Drivetrain Control (DTCM)Module, Electronic Limited Slip Differential (ELSD)Module, Electric Power Steering (EPS)Module, Electronic Shift (ESM)Module, Electronic Steering Lock (ESL)Module, Fold Stow (FSM)Module, Global Telematics BoxModule, Integrated Center Stack (Ics)Module, Memory Seat, Driver (MSMD)Module, Memory Seat, Passenger (MSMP)Module, Night Vision Processing (NVPM)Module, Occupant Classification (OCM)Module, Park Assist (PTS/PAM)Module, Passenger Door (PDM)Module, Powertrain Control (Pcm), 3.6LModule, Powertrain Control (Pcm), 5.7LModule, Power Liftgate (PLGM)RadioModule, Radio Frequency (RF Hub)Controls, Rear Cabin Comfort (RCCC)Module, Seat Massage, Driver (SMMD)Module, Seat Massage, Passenger (SMMP)Module, Security Gateway (SGW)Module, Smart Lighting, Left (SLML)Module, Smart Lighting, Right (SLMR)Module, Steering Column Control (SCCM)Module, Trailer Tow (TTM)Module, Transmission Control (TCM), 8HP50/850RE
Factory Service Tools
Use the Manual With the Right Hardware
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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.