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.
External Pages
's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (Front Half Shaft) Section 2 (Front Axle) Section 3 (3.6L Engine (Service Information)) Section 4 (BW 44-40 - Transfer Case (Service Information)) Section 5 (3.6L - Diagnostic Code Index) Section 6 (3.6L - DTCS P000A To P0159) Section 7 (3.6L - DTCS P0160 To P0480) Section 8 (3.6L - DTCS P0481 To P06DE) Section 9 (3.6L - DTCS P0703 To P219B) Section 10 (3.6L - DTCS P2245 To U1431) Section 11 (3.6L - Intermittent Condition, Pcm/ECM Reprogramming - Gas, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure) Different car Section 1 (Vehicle Data) Section 2 (Front Suspension & Wheel Alignment) Section 3 (Steering System) Section 4 (Base Brakes (Service Information)) Section 5 (Tires & Wheels (Service Information)) Section 6 (Vehicle Quick Reference) Section 7 (Anti-Lock Brake System (Abs) (Service Information)) Section 8 (Body - Interior & Exterior) Section 9 (Propeller Shaft) Section 10 (Rear Axle - 11 1/2 Aa) Section 11 (Heating & Air Conditioning (Service Information)) Section 12 (Battery System - Service Information) Section 13 (Lamps/Lighting - Exterior (Service Information)) Section 14 (Clutch System) Section 15 (G56 Manual Transmission (Service Information)) Section 16 (Cooling System - Engine & Transmission) Section 17 (Instrument Cluster (Service Information)) Section 18 (Exhaust System) Section 19 (3.7L Engine (Service Information)) Section 20 (4.7L Engine (Service Information)) Section 21 (5.7L Engine (Service Information)) Section 22 (6.7L Engine (Service Information)) Section 23 (Charging (Service Information)) Section 24 (Emissions Control) Section 25 (Wiper System & Washer System (Service Information)) Section 26 (Starting (Service Information)) Section 27 (Audio And Video (Service Information)) Section 28 (Audio/Video - Non-DTC Based Diagnostics) Section 29 (Restraints (Service Information)) Section 30 (Speed Control (Service Information)) Section 31 (Chime/Buzzer (Service Information)) Section 32 (Message Center (Service Information)) Section 33 (Electronic Control Modules (Service Information)) Section 34 (Universal Transmitter) Section 35 ((Driver Door Module (DDM) (DMFL) - Electrical Diagnostics)) Section 36 (Power Windows (Service Information)) Section 37 (Heated/Cooled Accessories (Service Information)) Section 38 (Heated Seats (Service Information)) Section 39 (Power Doors - Non-DTC Based Diagnostics) Section 40 (Vehicle Theft Security (Service Information)) Section 41 (Power Locks (Service Information)) Section 42 (Power Distribution) Section 43 (Starting - Non-DTC Based Diagnostics) Section 44 (Heated Seat Module (HSM) - Electrical Diagnostics) Section 45 (Horn System (Service Information)) Section 46 (Ignition System (Service Information)) Section 47 (545RFE Automatic Transmission (Service Information)) Section 48 (Lamps/Lighting - Interior (Service Information)) Section 49 (Frame And Bumpers) Section 50 (Wireless Ignition Node (Win) - Electrical Diagnostics) Section 51 (Power Seats (Service Information)) Section 52 (Power Top/Sunroof (Service Information)) Section 53 (Navigation/Telecommunication (Service Information)) Section 54 (Fuel System) Section 55 (DRIVEABILITY - Non-DTC Based Diagnostics - Diesel) Section 56 (ORION - 68RFE Automatic Transmission (Service Information)) Section 57 (42RLE Automatic Transmission (Service Information)) Section 58 (NV271 Transfer Case (Service Information)) Section 59 ((Tire Pressure Module (TPM) - Electrical Diagnostics)) Section 60 (Occupant Restraint Controller (Orc) - Electrical Diagnostics) Section 61 (Heating & Air Conditioning - Non-DTC Diagnostics) Section 62 ((Heating & Air Conditioning (MTC) - Electrical Diagnostics - 1500, 2500 & 3500)) Section 63 ((Heating & Air Conditioning (ATC) - Electrical Diagnostics - 1500, 2500 & 3500)) Section 64 (Anti-Lock Brake System (Abs) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) Section 65 (Antilock Brake System (Abs) - Electrical Diagnostics - 1500, 2500 & 3500) Section 66 (Drivetrain Control Module (DTCM) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) Section 67 ((Cabin Compartment Node (CCN) - Electrical Diagnostics)) Section 68 ((Drivetrain Control Module (DTCM) - Electrical Diagnostics - 1500, 2500 & 3500)) Section 69 (Final Drive Control Module (FDCM) - Electrical Diagnostics) Section 70 (Integrated Trailer Brake Module (ITBM) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) Section 71 ((Integrated Trailer Brake Module (ITBM) - Electrical Diagnostics - 1500, 2500 & 3500)) Section 72 ((Memory Seat Module (MSMD) - Electrical Diagnostics)) Section 73 (3.7L/4.7L/5.7L - Diagnostic Code Index - NGC - 1500 & 2500) Section 74 (3.7L/4.7L/5.7L - DTCS P000B To P0175 - NGC - 1500 & 2500) Section 75 (3.7L/4.7L/5.7L - DTCS P0196 To P0501 - NGC - 1500 & 2500) Section 76 (3.7L/4.7L/5.7L - DTCS P0503 To P0703 - NGC - 1500 & 2500) Section 77 (3.7L/4.7L/5.7L - DTCS P0850 To P2173 - NGC - 1500 & 2500) Section 78 (3.7L/4.7L/5/7L - DTCS P2174 To U1449 - NGC - 1500 & 2500) Section 79 (DRIVEABILITY - Non-DTC Based Diagnostics - Gasoline) Section 80 (3.7L/4.7L/5.7L - Intermittent Condition, Pre-Diagnostic Troubleshooting Procedure, Pcm/TCM Programming & Powertrain Verification Test - NGC - 1500 & 2500) Section 81 (5.7L - Diagnostic Code Index - NGC - 3500 Cab & Chassis) Section 82 (5.7L - DTCS P000B To P0159 - NGC - 3500 Cab & Chassis) Section 83 (5.7L - DTCS P0160 To P0456 - NGC - 3500 Cab & Chassis) Section 84 (5.7L - DTCS P0457 To P0633 - NGC - 3500 Cab & Chassis) Section 85 (5.7L - DTCS P063A To P2127 - NGC - 3500 Cab & Chassis) Section 86 (5.7L - DTCS P2128 To U1418 - NGC - 3500 Cab & Chassis) Section 87 (5.7L - Intermittent Condition, Pre-Diagnostic Troubleshooting Procedure, Pcm/TCM Programming & Powertrain Verification Test - NGC - 3500 Cab & Chassis) Section 88 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission) Section 89 ((Transmission Control Module (TCM) - Electrical Diagnostics - As68RC Automatic Transmission)) Section 90 ((Powertrain Control Module (Pcm) - Electrical Diagnostics - 68RFE Automatic Transmission)) Section 91 (6.7L Diesel - Diagnostic Code Index - 2500 & 3500) Section 92 (6.7L Diesel - DTCS P0008 To P0401 - 2500 & 3500) Section 93 (6.7L Diesel - DTCS P0402 To P1CEF - 2500 & 3500) Section 94 (6.7L Diesel - DTCS P2000 To U1601 - 2500 & 3500) Section 95 (6.7L Diesel - Mil Light On Pretest Procedure, Diesel AFTERTREATMENT Validation, Pre-Diagnostic Troubleshooting Procedure, Pcm/ECM/TCM Programming, Powertrain Verification Test & Intermittent Condition - 2500 & 3500) Section 96 (6.7L Diesel - Diagnostic Code Index - 3500 Cab & Chassis) Section 97 (6.7L Diesel - DTCS - P0008 To P040C - 3500 Cab & Chassis) Section 98 (6.7L Diesel - DTCS - P040D To P1191 - 3500 Cab & Chassis) Section 99 (6.7L Diesel - DTCS - P1192 To P21C3 - 3500 Cab & Chassis) Section 100 (6.7L Diesel - DTCS - P21C4 To U1601 - 3500 Cab & Chassis) Section 101 (6.7L Diesel - Mil Light On Pretest Procedure, Diesel AFTERTREATMENT Validation, Pre-Diagnostic Troubleshooting Procedure, Pcm/ECM/TCM Programming, Powertrain Verification Test & Intermittent Condition - 3500 Cab & Chassis, 4500 & 5500) Section 102 ((Totally Integrated Power Module (TIPM) - Electrical Diagnostics - 1500, 2500 & 3500)) Section 103 (Totally Integrated Power Module (TIPM) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) Section 104 (Communication - Non-DTC Based Diagnostics -
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.