Download Elm327 Scan PIDs for Android to scanner pins in your Elm327 bluetooth. Application supported all protocols.

Enhance the diagnostic capabilities of TouchScan or OBDwiz with the Professional Add-On.

Each sensor is characterised by a number called PID (Parameter Identifier) used to identify the parameter. For example, the standard stipulates that the engine speed has a PID of 12. The OBD standard (updated in 2007) includes 137 PIDs. As for the modes, not all cars support all PIDs.
GM Enhanced PIDs for DashCommand. Thread starter PIR4TE; Start date Feb 11, 2014; Feb 11, 2014 #1 P. Joined Mar 15, 2011 Messages 2,747 Reaction score 62.

Get access to more features and additional diagnostics

Enhanced graphing

Overlap multiple signals, add unlimited graphs, zoom, pan and use cursors. Graphs are completely customizable.

Calculated PIDs

Access to calculated PIDs for Boost Pressure, Air-to-Fuel Ratio, Engine Power, Engine Torque, and Vehicle Acceleration.

Data Mapping

View the value of one parameter based on two independent parameters. Easily switch between multiple data map views and select statistical parameters.

Software sensor calibration

Offset or scale any vehicle parameter and compensate for oversized tires (calibration in TouchScan/OBDwiz only).

Custom and Enhanced PIDs

Use the built-in GM enhanced PIDs to view enhanced data such as cylinder misfires. Import and add your own enhanced PIDs.

On-board tests (Mode $08)

On-board tests include evaporative system leak test and diesel particulate filter regeneration.

Features
Enhanced Graphing	Overlap multiple parameters
	Add unlimited graphs
	Zooming, panning, and cursors
Data Mapping	View the value of one parameter based on two independent parameters
Software sensor calibration	Offset or scale any vehicle parameter (calibration in TouchScan/OBDwiz only)
Software sensor calibration	Compensate for oversized tires (calibration in TouchScan/OBDwiz only)
Enhanced, User-defined, and Calculated Parameters	Create your own PIDs as a combination of vehicle PIDs
	Create or import manufacturer enhanced PIDs
	Built-in Enhanced PIDs include* Boost pressure Air-to-Fuel Ratio Knock Retard (GM vehicles) Cylinder Misfire Count (GM and Ford vehicles) Engine Oil Temperature (GM and Ford vehicles) Transmission Fluid Temperature (GM vehicles) Engine Oil Life Remaining (GM vehicles) Injector Control Pressure (Ford vehicles) VGT Duty Cycle (Ford vehicles) Exhaust Back Pressure (Ford vehicles) Ford Enhanced Add-On is recommended to get full access to Ford enhanced PIDs * Availability of each PID depends on your vehicle.
	Calculated PIDs include Boost pressure Air-to-Fuel Ratio Engine Power Engine Torque Vehicle Acceleration
Support for On-board tests (Mode $08)	Evaporative system leak test
Support for On-board tests (Mode $08)	Diesel particulate filter regeneration
Custom Trouble Code Definitions	Define custom trouble code descriptions to be displayed when reading codes

Availabilty of enhanced features is dependent on your vehicle year, make, and model.

You must have a valid TouchScan or OBDwiz license to purchase this add-on. If you do not have a license then you can get one on the TouchScan page.

Upon purchase of the professional add-on, you will receive an email with your license key and activation instructions. If you do not receive your license key within one hour of purchase, please check your spam filter or contact us.

All sales on software licenses are final and cannot be returned.

OBD-II PIDs

P-codes, or OBD-II PIDsOn Board Diagnostics “Parameter IDs”, are codes used to request data from a vehicle, used as a diagnostic tool. These codes are part of SAE standard J/1979, required to be implemented in all cars sold in North America since 1996.

Typically, an automotive technician will use PIDs with a scan tool connected to the vehicle’s OBD-II connector.

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The technician enters the PID
The scan tool sends to the vehicle’s bus (CAN, VPW, PWM, ISO, KWP. After 2008, CAN only)
A device on the bus recognizes the PID as one it is responsible for, and reports the value for that PID to the bus
The scan tool reads the response, and shows it to the technician

Modes

There are ten modes of operation described in the latest OBD-II standard SAE J1979. They are, the $ prefix indicating a hexadecimal number:

$01. Show current data

$02. Show freeze frame data

$03. Show stored Diagnostic Trouble Codes

$04. Clear Diagnostic Trouble Codes and stored values

$05. Test results, oxygen sensor monitoring (non CAN only)

$06. Test results, other component/system monitoring (Test results, oxygen sensor monitoring for CAN only)

$07. Show pending Diagnostic Trouble Codes (detected during current or last driving cycle)

$08. Control operation of on-board component/system

$09. Request vehicle information

$0A. Permanent DTC’s (Cleared DTC’s)

Vehicle manufactures are not required to support all modes.

Each manufacturer may define additional modes above #9 (e.g.: mode 22 as defined by SAE J2190 for Ford/GM, mode 21 for Toyota) for other information (e.g.: the voltage of the Traction Battery in a HEV).

Standard PIDs

The table below shows the standard OBD-II PIDs as defined by SAE J1979. The expected response for each PID is given, along with information on how to translate the response into meaningful data. Again, not all vehicles will support all PIDs and there can be manufacturer-defined custom PIDs that are not defined in the OBD-II standard.

Note that modes 1 and 2 are basically identical, except that Mode 1 provides current information, whereas Mode 2 provides a snapshot of the same data taken at the point when the last diagnostic trouble code was set. The exceptions are PID 01, which is only available in Mode 1, and PID 02, which is only available in Mode 2. If Mode 2 PID 02 returns zero, then there is no snapshot and all other Mode 2 data is meaningless.

Mode(hex)	PID(hex)	Data bytes returned	Description	Min value	Max value	Units	Formula
01	00	4	PIDs supported [01 - 20]	Bit encoded [A7.D0] [PID 0x01.PID 0x20]
01	01	4	Monitor status since DTCs cleared. (Includes malfunction indicator lamp (MIL) status and number of DTCs.)	Bit encoded. See below.
01	02	8	Freeze DTC
01	03	2	Fuel system status	Bit encoded. See below.
01	04	1	Calculated engine load value	0	100	%	A*100/255
01	05	1	Engine coolant temperature	-40	215	°C	A-40
01	06	1	Short term fuel % trim—Bank 1	-100 (Rich)	99.22 (Lean)	%	(A-128) * 100/128
01	07	1	Long term fuel % trim—Bank 1	-100 (Rich)	99.22 (Lean)	%	(A-128) * 100/128
01	08	1	Short term fuel % trim—Bank 2	-100 (Rich)	99.22 (Lean)	%	(A-128) * 100/128
01	09	1	Long term fuel % trim—Bank 2	-100 (Rich)	99.22 (Lean)	%	(A-128) * 100/128
01	0A<

Gm Extended Pid List Download