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2. OBD-II PIDs - Wikipedia

   en.wikipedia.org/wiki/OBD-II_PIDs

   OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.

3. Chevrolet Silverado - Wikipedia

   en.wikipedia.org/wiki/Chevrolet_Silverado

   First-generation Chevrolet Silverado 2500HD (2001–02 Regular Cab) The GMT800 Silverado/Sierra 1500 and 2500 pickup trucks were released in August 1998 as 1999 models. The "classic" light-duty GMT400 C/K trucks continued to be produced for the first two years alongside the new models, and the Heavy-Duty GMT400 pickups (alongside the GMT400 SUVs) were continued until 2000, with the new GMT800 ...

4. ALDL - Wikipedia

   en.wikipedia.org/wiki/ALDL

   Some idle data transmission of trivial parameters, however, existed in many vehicles. Bidirectional communication also allowed many other functions to be performed via ALDL, such as actuator tests, parameter overrides, and in some cases even reprogramming of the ECU itself. Multiple devices could be placed on the ALDL data line for primitive ...

5. On-board diagnostics - Wikipedia

   en.wikipedia.org/wiki/On-board_diagnostics

   Service / Mode $07 is a Request for emission-related diagnostic trouble codes detected during current or last completed driving cycle. It enables the external test equipment to obtain "pending" diagnostic trouble codes detected during current or last completed driving cycle for emission-related components/systems.

6. Electronic throttle control - Wikipedia

   en.wikipedia.org/wiki/Electronic_throttle_control

   A typical ETC system consists of three major components: (i) an accelerator pedal module (ideally with two or more independent sensors), (ii) a throttle valve that can be opened and closed by an electric motor (sometimes referred to as an electric or electronic throttle body (ETB)), and (iii) a powertrain or engine control module (PCM or ECM). [4]

7. Chevrolet Suburban - Wikipedia

   en.wikipedia.org/wiki/Chevrolet_Suburban

   On May 3, 2016, GM placed a recall on both 2016 model Suburbans and Yukon XLs over inadequate welds on their upper front control arms, which could result in an accident or injury. [ 212 ] On February 4, 2017, GM issued a recall of 2016 and 2017 Chevrolet Suburban HD models over an improperly fixed right-hand rear-view outside mirror which GM ...