1999 Chevrolet Silverado and GMC Sierra Network Content

Additional Code, Data, Device Controls.


Specifications and Identifications

Data

248 Extra Data Sensor Variables 0-10 Hz Includes..
Knock Retard Degree, Ignition Spark Degree
Reduced Engine Power, Torque Requested, Torque Delivered
Traction Control Signal, Engine Load.
Injector PWM Bank 1 Average, Injector PWM Bank 2 Average
Power Enrichment, Fuel Trim Cell Number
Cam Shaft Position Sensor - High to Low Counts
Cam Shaft Position Sensor - Low to High Counts
Desired Idle Speed, Desired Idle Airflow
Throttle and Accelerator Positions 1 and 2
Misfires Current and History each cylinder and totals.
Transmission Fluid Temperature, Shift Time and Adaptions.
Brake Wheel Speeds and Master Cylinder pressure

Trouble Code

Additional GM Engine Transmission

MAP Sensor Circuit Intermittent High Voltage
MAP Sensor Circuit Intermittent Low Voltage
IAT Sensor Circuit Intermittent High Voltage
IAT Sensor Circuit Intermittent Low Voltage
ECT Sensor Circuit Intermittent Low Voltage
ECT Sensor Circuit Intermittent High Voltage
TP Sensor Circuit Intermittent High Voltage
TP Sensor Circuit Intermittent Low Voltage
HO2S Insufficient Switching Bank 1 Sensor 1
HO2S Transition Time Ratio Bank1 Sensor 1
HO2S Insufficient Switching Bank 2 Sensor 1
HO2S Transition Time Ratio Bank 2 Sensor 1
Engine Coolant Over Temperature Fuel Disabled
CKP System Variation Not Learned
ABS DTC Detected Rough Road Data Unusable
Misfire Detected - No EBTCM/PCM Serial Data
EGR Valve Pintle Stuck Open
AIR System Bank 1
AIR System Bank 2
EVAP System Flow During Non-Purge
A/C Clutch Status Circuit High Voltage
A/C Clutch Status Circuit Low Voltage
Cruise Inhibit Control Circuit
Theft Deterrent System Fuel Enable Circuit
PCM in Theft Learn Mode
5 Volts Reference 1 Circuit
Generator-L-Terminal Circuit
Generator-F-Terminal Circuit
5 Volt Reference 2 Circuit
TFP Valve Position SW. Circuit Malfunction
Maximum Adapt and Long Shift
Torque Control
Kick-Down Switch
Kick-Down Switch Failed Open
Kick-Down Switch Failed Short
Brake Band Apply Solenoid Circuit
Brake Band Apply Solenoid Performance
Brake Band Apply Solenoid Low Voltage
Brake Band Apply Solenoid High Voltage
TCC PWM Solenoid Circuit - Electrical
Transmission Component Slipping
TCC Stator Temperature Switch Circuit Low
TCC Stator Temperature Switch Circuit High
4WD Low Switch Circuit - Electrical
TCC Release Switch Circuit
Throttle Position Sensor PWM Signal Low
Throttle Position Sensor PWM Signal High
Engine Torque Signal Low Voltage
Loss of Class 2 Communication with ATC
Loss Of EBCM Communication
Loss of Communication with BCM
Class 2 Communication Circuit Short To Ground
Class 2 Communication Circuit Short To Battery

Fail Records

Sensor variables at trouble code
Engine/Trans. variables plus..
Mileage Since First Failure
Mileage Since MIL Request
Fail, Pass and Not Run Counters

Bi-Directional Device Control

Malfunction Light, Evaporative Test,
Fuel Control Closed Loop, Fuel Trim,
A/C Relay, Evaporative Vent Solenoid, Fuel Pump Relay,
Air Pump if Equipped, Crank CASE Learn,
Fuel Trim Reset, Fuel Gauge Percent,
Canister Purge Percent, Idle Air Engine Speed,
EGR Solenoid Percent,
Fuel Injector Cut 1 -8,
Torque Converter Clutch,
Gear Shift 1-4,
Pressure Control milliAmps,
3-2 Down shift Solenoid
Torque Convert Clutch
Brake Lamp, ABS Lamp ABS Relay,
ABS Motor,
Rear Dump Valve ON
Rear Dump Valve OFF
Rear Isolation Valve ON
Rear Isolation Valve OFF
Left Front Dump Valve ON
Left Front Dump Valve OFF
Left Front Isolation Valve ON
Left Front Isolation Valve OFF
Right Front Dump Valve ON
Right Front Dump Valve OFF
Right Front Isolation Valve ON
Right Front Isolation Valve OFF