Sending Units & Sensors
SENDING UNITS & SENSORS LOCATION
| Component | Location |
|---|---|
| Accelerator Pedal Position (APP) Sensor | Behind accelerator pedal. |
| Air Temperature Sensor Assembly (Inside) | In headliner, above driver. |
| Air Temperature Sensor (Lower) | In lower left floor duct assembly. |
| Air Temperature Sensor (Lower Auxiliary) | At bottom center of HVAC assembly-rear auxiliary. |
| Air Temperature Sensor (Outside) (Mirror) | In left front bumper filler assembly. |
| Air Temperature Sensor (Outside) (W/ Auto A/C) | In right front bumper filler assembly. |
| Air Temperature Sensor (Upper) | Below radio, in upper duct. |
| Air Temperature Sensor (Upper Auxiliary) | In rear auxiliary HVAC upper duct, near "C" pillar. |
| Ambient Air Temperature Sensor (HVAC) | In right front bumper filler assembly. |
| Ambient Air Temperature Sensor (Mirror) | In left front bumper filler assembly. |
| Ambient Light Sensor | On top center of dash. |
| Barometric Pressure (BARO) Sensor (6.6L VIN 1) | On left side of engine. |
| Boost Sensor (6.6L VIN 1) | On right side of engine, on intake manifold. |
| Camshaft Position (CMP) Sensor (4.3L VIN W) | In distributor. |
| Camshaft Position (CMP) Sensor (4.8L VIN V) | On top center rear of engine. See Figure. |
| Camshaft Position (CMP) Sensor (5.3L VIN T) | On top center rear of engine. See Figure. |
| Camshaft Position (CMP) Sensor (6.0L VIN U) | On top center rear of engine. See Figure. |
| Camshaft Position (CMP) Sensor (6.6L VIN 1) | On front of engine, near cooling fan pulley. See Figure. |
| Camshaft Position (CMP) Sensor (8.1L VIN G) | On left side of timing cover. See Figure. |
| Crankshaft Position (CKP) Sensor (4.3L VIN W) | On bottom front of engine, near crank pulley. 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 (6.6L VIN 1) | On right side of engine front cover. |
| Crankshaft Position (CKP) Sensor (8.1L VIN G) | On top left rear of engine block, near bell housing. See Figure. |
| Engine Coolant Temperature (ECT) Sensor (4.3L VIN W) | On rear side of left cylinder head. 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 (6.6L VIN 1) | On top front of engine. |
| 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 (6.6L VIN 1) | On top rear of engine. |
| Engine Oil Pressure (EOP) Sensor (8.1L VIN G) | On top rear of engine. See Figure. |
| Front Propshaft Speed Sensor | On left side of transfer case, at shaft output. |
| Fuel Rail Temperature Sensor (6.6L VIN 1) | Under intake manifold shield, on fuel rail. |
| Fuel Pump & Sender Assembly (Primary) | In fuel tank. |
| Fuel Pump & Sender Assembly (Secondary) | In fuel tank. |
| Fuel Tank Pressure (FTP) Sensor | On fuel tank, integral to fuel pump & sender assembly. |
| Handwheel Position Sensor | In steering column. |
| Heated Oxygen Sensor (HO2S) (Bank 1 Sensor 1) | In left exhaust pipe, before catalytic converter. |
| Heated Oxygen Sensor (HO2S) (Bank 1 Sensor 2) | In left exhaust pipe, after catalytic converter. |
| Heated Oxygen Sensor (HO2S) (Bank 2 Sensor 1) | In right exhaust pipe, before catalytic converter. |
| Heated Oxygen Sensor (HO2S) (Bank 2 Sensor 2) | In right exhaust pipe, after catalytic converter. |
| Inflatable Restraint Electronic Frontal Sensor (EFS) | On underside of radiator support. |
| Inflatable Restraint Front End Discriminating Sensor | On underside of radiator support. |
| Inflatable Restraint Side Impact Sensor (SIS) (Left) | In lower left door. |
| Inflatable Restraint Side Impact Sensor (SIS) (Right) | In lower right door. |
| Intake Air Temperature (IAT)/Mass Airflow (MAF) Sensor | In air induction tube. See Figure. |
| Knock Sensor (KS) (4.3L VIN W) | On rear of engine block. See Figure. |
| Knock Sensors (KS) (4.8L VIN V) | In the valley, under the intake manifold. See Figure. |
| Knock Sensors (KS) (5.3L VIN T) | In the valley, under the intake manifold. See Figure. |
| Knock Sensors (KS) (6.0L VIN U) | In the valley, under the intake manifold. See Figure. |
| Knock Sensor (KS) Bank 1 (8.1L VIN G) | On left side of engine, forward of oil filter. |
| Knock Sensor (KS) Bank 2 (8.1L VIN G) | On right side of engine, forward of starter. |
| Manifold Absolute Pressure (MAP) Sensor (4.3L VIN W) | On top rear of engine, on intake manifold. See Figure. |
| 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. |
| Rear Position Sensor | At left rear of vehicle, near steering gear. |
| Rear Propshaft Speed Sensor | In transfer case extension housing. |
| Steering Wheel Speed/Position Sensor | Near base of steering column. |
| Sunload Sensor | On center of dash, near defrost deflectors. |
| Throttle Position (TP) Sensor (Dual Track) | On throttle body assembly. |
| Throttle Position (TP) Sensor (4.3L VIN W) | On throttle body assembly. See Figure. |
| Throttle Position (TP) Sensor (4.8L VIN V) | On throttle body assembly. See Figure. |
| Throttle Position (TP) Sensor (5.3L VIN T) | On throttle body assembly. See Figure. |
| Throttle Position (TP) Sensor (6.0L VIN U) | On throttle body assembly. See Figure. |
| Throttle Position (TP) Sensor (8.1L VIN G) | On throttle body assembly. |
| Vehicle Speed Sensor (2WD) | On left rear side of transmission. |
| Vehicle Speed Sensor (4WD) | On left side of transfer case. |
| Washer Fluid Level Sensor | In washer fluid reservoir. |
| Water In Fuel Sensor (6.6L VIN 1) | On fuel filter element. |
| Wheel Speed Sensor (WSS) (Left Front) | On left front wheel hub assembly. |
| Wheel Speed Sensor (WSS) (Right Front) | On right front wheel hub assembly. |
| Yaw/Rate Sensor | Under passenger's seat. |
| Yaw & Lateral Acceleration Sensor (806) | Under floor console, below cupholders. |
| Yaw & Lateral Acceleration Sensor (820C) | Under passenger's seat. |