DTC P2237-11: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P2237-12: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Battery; DTC P2237-13: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Open; DTC P2237-16: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Below Threshold; DTC P2237-17: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Above Threshold; DTC P2237-1B: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Resistance Above Threshold; DTC P2251-11: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P2251-12: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Battery [12/2019 - 10/2022]: Description
WARNING: This page is about a different variant/trim than selected.
Refer to DTC P0030-12.
Refer to DESCRIPTION
HINT:
Although the DTC titles say O2 sensor, these DTCs relate to the air fuel ratio sensor (sensor 1).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P2237-11 | A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground | The A1A+ voltage is 1.26 V or less for 5 seconds or more (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2238 |
| P2237-12 | A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Battery | The A1A+ voltage is higher than 4.47 V for 5 seconds or more (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2239 |
| P2237-13 | A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Open | An open or ground short in the circuit between terminals A1A+ and A1A- of the air fuel ratio sensor (sensor 1) while the engine is running (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2237 |
| P2237-16 | A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Below Threshold | Difference between terminals A1A+ and A1A- is 0.2 V or less for 5 seconds or more (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2238 |
| P2237-17 | A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Above Threshold | Difference between terminals A1A+ and A1A- is higher than 1.04 V for 5 seconds or more (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2239 |
| P2237-1B | A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Resistance Above Threshold | The air fuel ratio sensor (sensor 1) impedance is higher than 185 Ω (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2238 |
| P2251-11 | O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Ground | The A1A- voltage is 1.07 V or less for 5 seconds or more (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2252 |
| P2251-12 | O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Battery | The A1A- voltage is higher than 3.93 V for 5 seconds or more (2 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2253 |