2004 GMC Sierra 2500HD 6.0L with engine code P0135, how to reset the light?

Question

2004 GMC Sierra 2500HD 6.0L with engine code P0135. After you replace the sensor, how do you get the engine light to go off or reset?

Answer 1

You can reset it with an OBDII scanner, or if you don't have one you have to disconnect the battery for 30 minutes to an hour.

P0135 GMC Code - HO2S Heater Performance Bank 1 Sensor 1
Read more: https://www.autocodes.com/p0135_gmc.html