DTC P0130 (2025)
DTC P0130 : Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Out of Range
General Description
If a malfunction causes the rear air/fuel ratio (A/F) sensor (bank 1, sensor 1) signal to the powertrain control module (PCM) to deviate from the normal control area, the rear A/F sensor (bank 1, sensor 1) may still become active after the engine starts, but the air/fuel feedback does not start normally and the emissions deteriorate. When the rear A/F sensor (bank 1, sensor 1) output is out of the normal area, and this condition continues after the rear A/F sensor (bank 1, sensor 1) is active, the PCM detects a malfunction and stores a DTC.
Monitor Execution, Sequence, Duration, DTC Type
| Execution | Continuous |
| Sequence | None |
| Duration | 7.0 seconds or more |
| DTC Type | Two drive cycles, MIL on |
Enable Conditions
| Condition | |
|---|---|
| State of the engine | Running |
Malfunction Threshold
A malfunction is detected when the rear A/F sensor (bank 1, sensor 1) output voltage is 4.64843 V or more.
Possible Cause
NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
- Rear A/F sensor (bank 1, sensor 1) failure
Diagnosis Details
Conditions for setting the DTC
When a malfunction is detected during the first drive cycle, a Pending DTC is stored in the PCM memory. If the malfunction returns in the next (second) drive cycle, the MIL comes on and a Confirmed DTC, the freeze data, and the on-board snapshot are stored.
Conditions for clearing the DTC
The MIL is cleared if the malfunction does not return in three consecutive trips in which the diagnostic runs. The MIL, the Pending DTC, the Confirmed DTC, the freeze data, and the on-board snapshot can be cleared with the scan tool clear command.