2020 Jeep Grand Cherokee Service and Repair Manual

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Factory-Grade Data

2020 Jeep Grand Cherokee service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • High Altitude Sport Utility 4-Door
  • Summit Elite Platinum Sport Utility 4-Door
  • Summit Sport Utility 4-Door
  • Trailhawk Sport Utility 4-Door
  • Altitude Sport Utility 4-Door
  • SRT Sport Utility 4-Door
  • Laredo Sport Utility 4-Door
  • Limited Lujo Advance Sport Utility 4-Door
  • Trackhawk Sport Utility 4-Door
  • Limited Sport Utility 4-Door
  • Limited Lujo V8 Sport Utility 4-Door
  • Overland Sport Utility 4-Door
  • Limited X Sport Utility 4-Door
  • Upland Sport Utility 4-Door
  • Limited Lujo Sport Utility 4-Door
  • North Sport Utility 4-Door

Engines covered

  • 3.0L 2987CC 182Cu. In. V6 DIESEL DOHC Turbocharged
  • 3.6L 3604CC 220Cu. In. V6 FLEX DOHC Naturally Aspirated
  • 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated
  • 6.4L 6424CC 392Cu. In. V8 GAS OHV Naturally Aspirated
  • 6.2L 6166CC 376Cu. In. V8 GAS OHV Supercharged
  • --

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2020 Jeep Grand Cherokee Recalls & Complaints

NHTSA #20V19100010/09/2020Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Chrysler (FCA US LLC) is recalling certain 2020 Jeep Gladiator and Jeep Cherokee, 2019-2020 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Chrysler Pacifica, Dodge Durango, Jeep Grand Cherokee, Je

Consequence

The lingering rearview image can distract the driver, increasing the risk of a crash.

Remedy

Chrysler has notified owners, and dealers will update the radio display software, free of charge. O

NHTSA #22V40600009/06/2022Component: FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

Chrysler (FCA US, LLC) is recalling certain 2014-2020 Jeep Grand Cherokee, and 2014-2019 Ram 1500 vehicles equipped with 3.0L diesel engines. A high pressure fuel pump (HPFP) failure may introduce in

Consequence

Fuel starvation may result in an unexpected loss of drive power, increasing the risk of a crash.

Remedy

Dealers will replace the HPFP, and inspect and replace, if necessary, additional fuel system compone

NHTSA #23V41100008/06/2023Component: ENGINE AND ENGINE COOLING

Chrysler (FCA US, LLC) is recalling certain 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate,

Consequence

An engine stall can increase the risk of a crash.

Remedy

Dealers will update the powertrain control module software to maintain vehicle propulsion, free of c

TSB #11031337

Power Liftgate Inoperative.

TSB #11031241

Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.

TSB #11030269

Backup Camera Poor Image Quality Inspection

TSB #11030229

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P0111-00 - In

TSB #11030138

The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following dia

TSB #11030042

Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00, B1A16-00, and B1A17-00 in The Radio Frequency Hub (RFH)

TSB #11030035

Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On

TSB #11029770

Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.

Showing the 8 most recent of 522 technical service bulletins on file with NHTSA.

20250718Component: AIR BAGSCrash reported2 injured

The contact owned a 2020 Jeep Grand Cherokee. The contact stated while driving at 30 MPH, another vehicle pulled out in front of his vehicle, causing him to T-bone the vehicle on the front driver side

20230921Component: AIR BAGSCrash reported2 injured

The contact owned a 2020 Jeep Grand Cherokee. The contact stated while driving approximately 15 MPH, the vehicle in front of the contact had lost control and ended across the lane. The contact stated

20240113Component: AIR BAGSCrash reported1 injured

Passenger side airbag failed to deploy. Head injury, rib fractures, vertebrae fracture

20231216Component: AIR BAGSCrash reported1 injured

I was in a head on collision in my 2020 Jeep Grand Cherokee and another driver crossed the center line. I braked at approximately 40 mph the other car was driving the same speed downhill and made impa

20230914Component: AIR BAGSCrash reported1 injured

The contact owned a 2020 Jeep Grand Cherokee. The contact stated that while his wife was driving 55 MPH, she collided with a Ford F-150 that ran a red light and entered the lane aggressively. The air

Showing the 5 most serious of 337 complaints filed with NHTSA.

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