What does DTC stand for in GM OBD?

What does DTC stand for in GM OBD?

Trouble Codes› GM OBD Trouble Codes› What is a DTC? A DTC is a diagnostic Trouble Code.

What is the trouble code for a Chevy?

List of Chevy Trouble Codes (DTC) P0100 Mass or Volume Air Flow Circuit Malfunction. P0101 Mass or Volume Air Flow Circuit Range/Performance Problem. P0102 Mass or Volume Air Flow Circuit Low Input. P0103 Mass or Volume Air Flow Circuit High Input. P0104 Mass or Volume Air Flow Circuit Intermittent.

What are the diagnostic codes on a Chevy Duramax?

Diagnostic trouble codes (or fault codes) are codes that are stored by the on-board computer diagnostic system. These are stored in response to a problem found in the truck by the system. Here is a list of Chevy Duramax diagnostic codes to help you in figuring out what is wrong with your vehicle.

What are the diagnostic codes for General Motors?

GM Specific Powertrain Diagnostic Trouble Codes. P1117 Engine Coolant Temp. Signal Out-Of-Range Low. P1118 Engine Coolant Temp. Signal Out-Of-Range High. P1139 HO2S Insuff. Switching Bank 1 Sensor 2. P1187 EOT Sensor Ckt. Low Voltage.

What are the diagnostic codes for a Chevy diesel?

P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor 2) P0157 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) P0159 O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) P0160 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

GM Specific Powertrain Diagnostic Trouble Codes. P1117 Engine Coolant Temp. Signal Out-Of-Range Low. P1118 Engine Coolant Temp. Signal Out-Of-Range High. P1139 HO2S Insuff. Switching Bank 1 Sensor 2. P1187 EOT Sensor Ckt. Low Voltage.

When to clear a permanent diagnostic trouble code ( DTC )?

A Permanent Diagnostic Trouble Code (DTC) is stored when a DTC is confirmed and the Malfunction Indicator Lamp (MIL) has been illuminated. A Permanent DTC can only then be cleared by the module strategy and cannot be erased by clearing DTCs with a scan tool, a Keep-Alive Memory (KAM) reset, or battery disconnect.

What is the OBD code for a GMC?

The OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Buick, Cadillac, and former brands Oldsmobile, Pontiac, and Saturn. There may be slight changes depending on the year/model of vehicle, you would need to consult a factory service manual for specifics.

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