How do I clear a DTC code?
How do I clear a DTC code?
Use a Code Scanner
- Connect the scanner to the on-board diagnostic connector (OBD-II) under your steering wheel. Turn your ignition switch to “On.” Turn off all accessories.
- Press the “Read” button on your scan tool to view the engine’s error codes.
- Press the “Erase” button on your scanner to clear the error code.
Which is the diagnostic code for a GMC check engine light?
1 Refer to our Generic OBD II code list for definitions on all other GMC diagnostic trouble codes. 2 Manufacturer Specific Codes 3 P1031 4 P1032 5 P1105 6 P1106 7 P1107 8 P1108 9 P1109 10 P1111
What does code 12 on Check Engine light mean?
The ECMwill flash each code three times, and move on to the next. If you have no codes stored, it will keep flashing code 12. Code 12 simply tells you the ECM is not receiving any pulses from the distributor (since the car is not running). If you pull codes with a scantooland the car is running, this code will not show up.
Where is the trouble code on a GMC?
When retrieving GMC trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on.
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 causes a flashing check engine light on a GMC Sierra?
While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Sierra’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .
The ECMwill flash each code three times, and move on to the next. If you have no codes stored, it will keep flashing code 12. Code 12 simply tells you the ECM is not receiving any pulses from the distributor (since the car is not running). If you pull codes with a scantooland the car is running, this code will not show up.
When retrieving GMC trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on.