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Where is the heater control sensor bank1 sensor 2 on 2007 tahoe

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Heated o2 sensor B1 sensor 2 is on the exhaust drivers side. Don't be surprised if you need to replace the complete Y-pipe with the catalytic converters ikeem.

Posted on Dec 31, 2013


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Tahoe heater

That was a good guess but if you temp gauge on the dash is normal then you don't have a bad t-stat. you probably have a bad heater control valve. It's what controls how much coolant goes into the heater core. Could also be a blend air door inside the heater box up under the dash. or a plugged heater core.

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The Tahoe does not have a heater control valve. Coolant flows through the heater core all the time. The heater has a door that opens and allows heat to mix with air from the a/c system which also has a door for the evaporator. Depending on what temprature you choose the doors are opened by a computer that is reading a temp sensor down stream from the doors. It opens or closes the doors until the proper temp is reached. You may have a problem with the blend door being broken or the sensor may be bad.

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2007 Chevy Tahoe check engine scan codes: P0030, P0053, PO135 ~ Please advise or help : ( thought that advanced auto would have been a bit more helpful than handing me a piece of paper with codes and...

There is a fault with the inbuilt heater in the oxygen sensor, before the catalytic converter, on the exhaust pipe the same side of the engine as cylinder 1. The oxygen sensor has four wires within the cable sheath to the top of it. Two of the wires will share the same color. These wires supply power to an internal heating element wire within the sensor. Follow the cable from the oxygen sensor to the connector, you can do a lot testing here. Check the resistance between the two 'same coloured ' wires. The resistance is low, somewhere between 1 and 10 ohms. If there is no continuity (infinite resistance) then this is the fault and the sensor needs to be replaced. The codes: P0030 the oxygen sensor heater relay is at fault P0053 Oxygen heater resistance error P0135 Sensor 1 bank 1 error You are looking at replacement. A further confirmation take the connection from sensor 1 bank 1 and swap it with the sensor 1 bank 2 on the other side of the engine. The codes should 'transfer' and show P0036; P0059 and P0141.

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What is bank 1 and 2 sensor 2 heater circuit on a 97 tahoe

it is the heater circuit inside of the oxygen sensor, the sensor the code refers to will need replaced I see it alot

Jan 20, 2011 | 1997 Chevrolet Tahoe

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2004 Chevrolet Tahoe Heater blowing cold air on Driver side

bad control swicth or block air flow on driver side

Feb 11, 2010 | 2004 Chevrolet Tahoe

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Heated seats automaticaly shut off shortley after being turned on. Ocasionaly the drivers side will work.

See GM TSB 05-08-143-001, If you have Adjustable pedals, especially if they don't work with the memeory buttons, but function with thier own buttons. Its the Brake Pedal Position Sensor is shorted and mesing up the seat module which controls the heaters too. My 05 Suburban had the same issue.

Nov 22, 2009 | 2005 Chevrolet Tahoe

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Po138 code on 96 chevy tahoe 5.7l where do i start testing

P0138 is a code for an unexpected high voltage in the post cat o2 sensor on the left side (bank 1 sensor 2). It often is a result of an internal short between the oxygen sensor heater and the actual oxygen sensor. I would clear the core and if it returns replace the sensor.

Oct 06, 2009 | 1996 Chevrolet Tahoe

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My seat heaters come on and then shutoff after 4minutes. What is problem? 2003 chevey tahoe

the seat heating elements may be partially shorted or drawing excess current, they are controlled by a timed relay in the seat heater control switch, the switch may also cause this, but most common issue is the heater element in the seat cushion in my experience..

Feb 23, 2009 | 2003 Chevrolet Tahoe

1 Answer

2001 tahoe front heater not working, rear heater blows warm air

Notorious for plugged heater cores. Also updated plastic restriction couplers mounted at heater core available from dealer. Try back flushing heater core. Run engine till its at operating temperature then carefully hold the inlet and outlet hose breifly with heater fan on high if hoses are nearly the same temp then flow is good , if not then core is plugged.

Jan 18, 2009 | 2001 Chevrolet Tahoe

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