Sending Units & Sensors
SENDING UNITS & SENSORS LOCATION
| Component | Location |
|---|---|
| Accelerator Pedal Position Sensor | Behind accelerator pedal. |
| A/C Refrigerant Pressure Sensor | In high side pressure line, near compressor. |
| Air Temperature Sensor Assembly (Inside) | In headliner, above driver. |
| Air Temperature Sensor (Lower Auxiliary) | Behind right "C" pillar, at front of HVAC. |
| Air Temperature Sensor (Lower Left) | Behind dash, at left end of HVAC module. |
| Air Temperature Sensor (Lower Right) | Behind dash, at bottom of HVAC module. |
| Air Temperature Sensor (Outside) | Mounted to radiator core support. |
| Air Temperature Sensor (Upper Auxiliary) | In rear auxiliary HVAC upper duct, near "C" pillar. |
| Air Temperature Sensor (Upper Left) | At center of dash, below dash trim panel. |
| Air Temperature Sensor (Upper Right) | At center of dash, below dash trim panel. |
| Ambient Air Temperature Sensor | In right front bumper filler assembly. |
| Ambient Light Sensor | On top center of dash. |
| Automatic Transmission Fluid Temperature Sensor | In automatic transmission. |
| Automatic Transmission Input Shaft Speed Sensor | In automatic transmission. |
| Camshaft Position Sensor (Except 8.1L) | On top center rear of engine. See Figure. |
| Camshaft Position Sensor (8.1L VIN G) | On left side of timing cover. See Figure. |
| Crankshaft Position (CKP) Sensor (4.8L VIN V) | On lower right rear of engine block. See Figure. |
| Crankshaft Position (CKP) Sensor (5.3L VIN T) | On lower right rear of engine block. See Figure. |
| Crankshaft Position (CKP) Sensor (6.0L VIN U) | On lower right rear of engine block. See Figure. |
| Crankshaft Position (CKP) Sensor (8.1L VIN G) | On top left rear of engine block, near bellhousing. See Figure. |
| Engine Coolant Temperature (ECT) Sensor (4.8L VIN V) | On front side of left cylinder head. See Figure. |
| Engine Coolant Temperature (ECT) Sensor (5.3L VIN T) | On front side of left cylinder head. See Figure. |
| Engine Coolant Temperature (ECT) Sensor (6.0L VIN U) | On front side of left cylinder head. See Figure. |
| Engine Coolant Temperature (ECT) Sensor (8.1L VIN G) | At middle of right cylinder head. |
| Engine Oil Pressure (EOP) Sensor (4.8L VIN V) | On top rear of engine. |
| Engine Oil Pressure (EOP) Sensor (5.3L VIN T) | On top rear of engine. |
| Engine Oil Pressure (EOP) Sensor (6.0L VIN U) | On top rear of engine. |
| Engine Oil Pressure (EOP) Sensor (8.1L VIN G) | On top rear of engine. See Figure. |
| Fuel Composition Sensor (Except 8.1L) | Inside left frame rail, forward of electronic brake control module. |
| Fuel Level Sensor (Primary) | In primary fuel tank. |
| Fuel Level Sensor (Secondary) | In secondary fuel tank. |
| Fuel Pump & Sender Assembly (Primary) | In primary fuel tank. |
| Fuel Pump & Sender Assembly (Secondary) (W/Dual Tanks) | In secondary fuel tank. |
| Fuel Tank Pressure Sensor | On fuel tank, integral to fuel pump & sender assembly. |
| Heated Oxygen Sensor Bank No. 1 Sensor No. 1 | In left exhaust pipe, before catalytic converter. |
| Heated Oxygen Sensor Bank No. 1 Sensor No. 2 | In left exhaust pipe, after catalytic converter. |
| Heated Oxygen Sensor Bank No. 2 Sensor No. 1 | In right exhaust pipe, before catalytic converter. |
| Heated Oxygen Sensor Bank No. 2 Sensor No. 2 | In right exhaust pipe, after catalytic converter. |
| Inflatable Restraint Electronic Front End Sensor (Left) | On left front of vehicle, by core support. |
| Inflatable Restraint Electronic Front End Sensor (Right) | On right front of vehicle, by core support. |
| Inflatable Restraint Side Impact Sensor (Left) | Mounted inside driver door, behind trim panel. |
| Inflatable Restraint Side Impact Sensor (Right) | Mounted inside passenger door, behind trim panel. |
| Inside Auxiliary Air Temperature Sensor Assembly | In headliner, near left "C" pillar. |
| Intake Air Temperature (IAT)/Mass Airflow (MAF) Sensor | In air induction tube. See Figure. |
| Knock Sensors (KS) (4.8L VIN V) | In valley, under intake manifold. See Figure. |
| Knock Sensors (KS) (5.3L VIN T) | In valley, under intake manifold. See Figure. |
| Knock Sensors (KS) (6.0L VIN U) | In valley, under intake manifold. See Figure. |
| Knock Sensor Bank No.1 (8.1L VIN G) | On left side of engine, forward of oil filter. |
| Knock Sensor Bank No. 2 (8.1L VIN G) | On right side of engine, forward of starter. |
| Manifold Absolute Pressure (MAP) Sensor (4.8L VIN V) | On top rear of engine, on intake manifold. See Figure. |
| Manifold Absolute Pressure (MAP) Sensor (5.3L VIN T) | On top rear of engine, on intake manifold. See Figure. |
| Manifold Absolute Pressure (MAP) Sensor (6.0L VIN U) | On top rear of engine, on intake manifold. See Figure. |
| Manifold Absolute Pressure (MAP) Sensor (8.1L VIN G) | On top rear of engine, on intake manifold. |
| Object Sensor (Left Rear Corner) | On left side of rear bumper. |
| Object Sensor (Left Rear Middle) | On left middle of rear bumper. |
| Object Sensor (Right Rear Corner) | On right side of rear bumper. |
| Object Sensor (Right Rear Middle) | On right middle of rear bumper. |
| Propshaft Speed Sensor (Front) | On left front side of transfer case. |
| Propshaft Speed Sensor (Rear) | On transfer case extension housing. |
| Steering Wheel Speed/Position Sensor | Near base of steering column. |
| Sunload Sensor | On center of dash, near defrost deflectors. |
| Suspension Position Sensor (Left Front) | On control arm, behind left front shock. |
| Suspension Position Sensor (Left Rear) | Behind left rear shock, near frame rail. |
| Suspension Position Sensor (Right Front) | On control arm, behind right front shock. |
| Suspension Position Sensor (Right Rear) | Behind right rear shock, near frame rail. |
| Vehicle Speed Sensor | On rear of transmission. |
| Washer Fluid Level Sensor | In washer fluid reservoir. |
| Wheel Speed Sensors (4) | On respective wheel hub assembly. |
| Yaw & Lateral Acceleration Sensor | Under right front seat. |