What is the diagnostic code for O2 sensor circuit high voltage?

What is the diagnostic code for O2 sensor circuit high voltage?

P0138 is a diagnostic trouble code (DTC) for “O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

What is the OBD code for bank 1 sensor 2?

P0138 is the OBD-II generic code indicating the O2 sensor for bank 1 sensor 2 fails to have a lower voltage output below 1.2 volts for more than 10 seconds indicating a lack of oxygen in the exhaust stream.

What are the steps to troubleshoot a variable frequency drive?

Procedural steps: Disconnect all power sources. Visually verify disconnection (when possible). Implement approved lock out / tag out procedure. Identify power sources (e.g., review drawings / documentation). Confirm electrically safe status (e.g., voltmeter measurement). Ground equipment as needed (e.g., capacitive energy storage).

What to do when none of the brake lights work?

None of the Brake Lights Work When none of the brake lights work, you need to concentrate on those components or devices that may affect the whole circuit: This includes the fuse, brake light switch, turn light switch (on some vehicle models), and the part of the circuit feeding current to the brake light circuit.

How can I tell if my brake lights are blown?

Usually, you can tell if the fuse is blown by looking at the fuse element through the clear plastic box. However, if you need to confirm that the fuse is still good, you can check it using a digital multimeter. Set your multimeter to Continuity, or to a low setting in the Ohms scale. Touch each fuse connector with a multimeter lead.

Where are all the fuses on my car?

If you don’t know where the fuses are, consult your car owner’s manual. The most common locations for the fuse panel is under the dashboard, on the driver or passenger side, or both, or under the hood (power distribution center). Remove the fuse panel lid and look under the lid for the descriptions of each fuse to find the one you’re looking for.