Question about 2010 Volkswagen Golf 2.5L

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2010 Volkswagen golf 2.5 bank 1 sensor 2 wiring harness i changed all of the 02 sensors but i am still getting a trouble code of p0037 bank 1 sensor 2. I wanted to know if perhaps i can get a wiring d

I have heard that there is a 02 sensor fuse but im sure there is no such thing...Never heard of it. I need to get this check engine light off because of that code.

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  • 42 Answers

Go to Auto Zone have them use code reader under the dash to to read code number. It's free.

Posted on Nov 28, 2014

Testimonial: "I have a code scanner i looked up the codes already. I changed the sensor and put a brand new one in. It's giving me the same error p0037 bank 1 sensor 2. I purchased the sensor from the dealer and it's still reading bad."

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Error code P0037 H02S Heater control circuit low bank 1 sensor 2 and P0138 02 sensor circuit high voltage bank 1 sensor 2. How do I fix?


Most likely the O 2 sensor is bad. You can check the harness. With key on there should be 2 positives sides and 2 negative sides.

May 15, 2016 | Cars & Trucks

1 Answer

I have a 06 Corolla that is giving a P0037 code I have replaced the Oxygen sensor closest to the Catalytic converter Twice


it should be the o2 after cat converter ----and the following information courtesy of OBDP0037 HO2S Heater Control Circuit Low B1S2 OBD-II Trouble Code Technical Description Article by Dale Dale Toalston ASE Certified Technician Generic: HO2S Heater Control Circuit Low (Bank 1 Sensor 2) Nissan: Heated oxygen sensor (HO2S) 2 Bank 1 - heater voltage low What does that mean? Heated Oxygen sensors (HO2S) are inputs used by the PCM (Powertrain Control Module) to determine oxygen content in the exhaust system. Bank 1, sensor 2 refers to the second sensor back on bank 1. The PCM uses the information gained from the Bank 1,2 HO2S mainly to monitor the efficiency of the catalytic converter. Integral to this sensor is a heater element The PCM controls this heater to warm up the sensor to operating temperature. This allows the engine to enter closed loop faster and reduces emissions on cold startup. The PCM continuously monitors the heater circuits for abnormal voltages or in some cases, even amperages. Depending on the make of vehicle, the Oxygen sensor heater is controlled one of two ways. One way is that the PCM directly controls the voltage feed to the heater either directly or via a HO2S relay and a ground is supplied from the vehicle's common ground. The other way would be a fused 12 volt Battery feed (B+) that feeds 12 volts to the heater element anytime the ignition is on and the control of the heater is done by a driver in the PCM which controls the ground side of the heater circuit. Finding out which one you have is important because the PCM activates the heater under various circumstances. If the PCM detects an abnormally low voltage condition on the heater circuit, P0037 may set. Symptoms Symptoms of a P0037 DTC may include: Malfunction indicator lamp (MIL) illumination There will likely be no other symptoms Causes Potential causes of a P0037 trouble code may include: Bank 1,2 oxygen sensor heater element has failed Physical damage to heated oxygen sensor has occurred Control circuit (or voltage feed, depending on system) is shorted to ground PCM Oxygen sensor heater driver has failed === Possible Solutions== Do a visual inspection of the Bank 1,2 HO2S and wiring harness. If there is any damage to the sensor or any damage to the wiring, repair/replace as needed. Make sure wiring is routed away from exhaust. If all appears okay, unplug the Bank 1,2 HO2S and verify that there is 12 volts B+ present with the key on engine off, (or ground is present, depending on the system). Verify the heater control (ground) circuit is intact. If so, remove the o2 sensor and inspect for damage. If you have access to resistance specifications you can use a Ohmmeter to perform a resistance test of the heater element. Infinite resistance indicates an open in the heater. Replace the o2 sensor as necessary.

Read more at: http://www.obd-codes.com/p0037
Copyright © OBD-Codes.com-CODES.com

Jul 28, 2015 | 2006 Toyota Corolla

1 Answer

Hello, I'm getting a p0037 code. I have established it's one of the o2 sensores. Just trying to figure out exactly which one it is.


P0037 is for bank 1 sensor 2. Bank 1 is the leading bank where you will find cylinder #1. Sensor 2 is the downstream sensor, or the second sensor in that bank.

Jun 23, 2015 | Cars & Trucks

3 Answers

I have a p0420 code on my 2010 Jetta, already changed my 02 sensor. the car has only 70k miles on it, should I change the CAT or look at something else?


I wood look at somin else clear the code if it comes back then we should seewhat we can do as anything Changes since it has been on ? Let me Know thks for your time

May 10, 2015 | 2010 Volkswagen Jetta

1 Answer

I have a 2010 Volkswagen golf trouble code p0037 H02S Heater Control Circut Low Bank 1 Sensor 2. I changed both oxygen sensors and still got the same code. They say it can be the oxygen sensor fuse. I...


Ok vw can be hard to work on so let's make it as easy as possible. You have to fuse boxes and one relay box. Pick up a test light under hood on top of battery fuse box 1 look for power on both sides if so it's good check all fuses next in drivers side door jam fuse box 2 do the same here if you have power on both sides of fuse it's good if you have no power at all it should be good .what we are looking for is one side of fuse to have power and the other side no power it will be blown. Please rate my help

Nov 24, 2014 | 2010 Volkswagen Golf 2.5

2 Answers

P0037. heater sen. where is it on the engine?


The code is for the heater in the O2 sensor bank one sensor two. That would be the sensor after the catalytic converter on bank one.
It could be the sensor itself or the power supply for the heater.

Aug 25, 2012 | 2006 Mazda MPV

1 Answer

If i am getting the codes P0037 P 0057 for the 04 nissan maxima is that the front or rear oxygen sensor ?


Hi there:
DTC P0037 - Bank 1 Oxygen Sensor Heater Circuit Low

DTC P0057 - Bank 2 Oxygen Sensor Heater Circuit Low


Cause could be harnesses connections, wiring, HO2S heater itself or ECM issue. Diagram location in THIS LINK.


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Thank you for using FixYa, have a nice day.


Aug 16, 2012 | 2004 Nissan Maxima

1 Answer

Im getting code P2253 on my 04 Saturn vue with 3.5l V6. Anyway to tell which O2 sensor it is? Thxs Bill


P0804 is the highest OBD-II trouble code.

Here's your Oxygen sensor codes.

P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1)
P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I)
P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1)
P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)
P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2)
P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2)
P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2)
P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0140 02 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0142 02 Sensor Circuit Malfunction (Bank I Sensor 3)
P0143 02 Sensor Circuit Low Voltage (Bank I Sensor 3)
P0144 02 Sensor Circuit High Voltage (Bank I Sensor 3)
P0145 02 Sensor Circuit Slow Response (Bank 1 Sensor 3)
P0146 02 Sensor Circuit No Activity Detected (Bank I Sensor 3)
P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3)
P0150 02 Sensor Circuit Malfunction (Bank 2 Sensor I)
P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I)
P0152 02 Sensor Circuit High Voltage (Bank 2 Sensor 1)
P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1)
P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
P0156 02 Sensor Circuit Malfunction (Bank 2 Sensor 2)
P0157 02 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
P0158 02 Sensor Circuit High Voltage (Bank 2 Sensor 2)
P0159 02 Sensor Circuit Slow Response (Bank 2 Sensor 2)
P0160 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
P0161 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
P0162 02 Sensor Circuit Malfunction (Bank 2 Sensor 3)
P0163 02 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
P0164 02 Sensor Circuit High Voltage (Bank 2 Sensor 3)
P0165 02 Sensor Circuit Slow Response (Bank 2 Sensor 3)
P0166 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
P0167 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

Note: "Bank 1" is the side of the engine with cylinder 1. "Bank 2" is the other side.

Jul 03, 2011 | 2004 Saturn VUE

1 Answer

Subaru wrx impreza showing fault code p0037. how do i fix this fault which sensor is it and where is the sensor located?


http://helpforcars.net/obd_codes/codes.php?code=P0037

It's an O2 sensor according to the above link, and it is bank 1 sensor 2 low, the 2 meaning that it is downstream past the catalytic converter but not on the manifold.

- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse
- Faulty Engine Control Module (ECM) Possible Solution Tech Notes The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow, which is a very common problem for this type codes. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors.
Good luck on this repair.

Jan 01, 2011 | 2001 Subaru Impreza

1 Answer

Hi I have a fault code P1180 Linear O2 sensor / pump flow short with power, intermittant any ideas? it's had bank one sensor 1 O2 sensor. 1.6 BCB engine '02 Golf


Yes you have a problem with wiring for the O2 sensor shorting out somewhere in the line. It could be anywhere from the sensor to the ECU. Make sure there are no breaks, burns, or crushed parts of the wiring.

Feb 02, 2010 | 2002 Volkswagen Golf

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