# P0134 on the 2015 Acura MDX

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0134

- [10120769](https://open.wenmarpro.com/bulletins/10120769), 2017-10-27: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015 MDXs \& RLXs with a complaint of the Malfunction Indicator Lamp \(MIL\) on with the DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\] Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\] Heater System Malfunction\) stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting any repair.
- [10118166](https://open.wenmarpro.com/bulletins/10118166), 2017-09-29: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015MDXs with a complaint that the Malfunction Indicator Lamp \(MIL\) is on and DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\]Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\]Heater System Malfunction\) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
- [10118017](https://open.wenmarpro.com/bulletins/10118017), 2017-09-27: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015 MDXs with a complaint that the Malfunction Indicator Lamp \(MIL\) is on and DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\]Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\]Heater System Malfunction\) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
- [10115782](https://open.wenmarpro.com/bulletins/10115782), 2017-08-25: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015 MDX \& RLXs with a complaint that the Malfunction Indicator Lamp \(MIL\) is on and DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\]Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\]Heater System Malfunction\) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
- [10115781](https://open.wenmarpro.com/bulletins/10115781), 2017-08-25: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015 MDX \& RLXs with a complaint that the Malfunction Indicator Lamp \(MIL\) is on and DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\]Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\]Heater System Malfunction\) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
- [10115736](https://open.wenmarpro.com/bulletins/10115736), 2017-08-25: Questionnaire for 2014\-2015 MDX/RLX MIL On with DTC P0154 or P0134 Stored
- [10115735](https://open.wenmarpro.com/bulletins/10115735), 2017-08-25: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015 MDX \& RLXs with a complaint that the Malfunction Indicator Lamp \(MIL\) is on and DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\]Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\]Heater System Malfunction\) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
- [10115217](https://open.wenmarpro.com/bulletins/10115217), 2017-08-15: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015 MDX \& RLXs with a complaint that the Malfunction Indicator Lamp \(MIL\) is on and DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\]Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\]Heater System Malfunction\) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
- [10115204](https://open.wenmarpro.com/bulletins/10115204), 2017-08-15: Dealer message \- American Honda \(AHM\) is investigating certain 2014\-2015 MDX \& RLXs with a complaint that the Malfunction Indicator Lamp \(MIL\) is on and DTC P0154 \(Front Air Fuel Ratio Sensor \[Bank 2, Sensor 1\] Heater System Malfunction\) or P0134 \(Rear Air Fuel Ratio Sensor \[Bank 1, Sensor 1\] Heater System Malfunction\) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
- [10108863](https://open.wenmarpro.com/bulletins/10108863), 2017-07-31: Service bulletin \- The MIL comes on with DTC P0134 \(rear A/F sensor \[bank 1, sensor 1\] heater system malfunction\) and/or P0154 \(front A/F sensor \[bank 2, sensor 1\] heater system malfunction\). The PCM misinterprets the heater system input from the A/F sensor and sets DTC codes P0134 and/or P0154.