Bank 2 sensor 2 refers to the oxygen sensor on the passenger side of the exhaust system and after the catalytic converter. heater circuit is the oxygen sensor or the wiring going to it, it is what is called a heated oxygen sensor. Google image search oxygen sensor and that is what it looks like, and they can be a bear to get out.
To repair the speedometer on the 2003 Suburban, first check to see what is causing the malfunction. You might need to replace a fuse or even the cable.
The Exhaust Manifold Oxygen Sensor needs to be replaced.
Replace the ignition coil(s).
Replace the coil.
You need to replace the manifold pressure sensor in most cases. The run from $20 to $100 and are fairly easy to replace.
In the compartment where the jack is. It is in a black box by the pillar. Open lid and remove circuit board and replace it.
Trouble code P1120 means: Accelerator Pedal Position Sensor Circuit Malfunction replace APS sensor Trouble code P01135 means: Air-Fuel Sensor Heater Circuit Response Malfunction
How do you replace a starter in a 1999 suburban
The short circuit location can be found by a diagnostic tester. When the short circuit is located, replace the wiring or switch.
Firstly, you'll need to identify what's wrong with the sensor. If the circuitry is problematic, you'll need to replace part of the circuit to get it working well again.
you need to recalabrate with a tech 2 at gm dealer Or you will have to replace the failed cam sensor.
Replace the brake light switch would probably be a start. check the wiring and tcm