DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) |
DTC detecting condition |
|---|---|---|
| P1148 | CLOSED LOOP-B1 (Closed loop bank 1) |
The closed loop control function for bank 1 does not operate even when vehicle is being driven in the specified condition. |
POSSIBLE CAUSE
- Harness or connectors (The A/F sensor 1 circuit is open or shorted.)
- A/F sensor 1
- A/F sensor 1 heater
FAIL-SAFE
Not applicable