B1791 — Autolamp Sensor Input Circuit Open
Severity: Informational
Can you drive? With caution: limp mode possible, have it checked soon
Make: All makes (OBD-II standard)
| Meaning | Autolamp Sensor Input Circuit Open. |
| Family | Body (B) |
Frequently asked questions
What does code B1791 mean?
Autolamp Sensor Input Circuit Open. Autolamp Sensor Input Circuit Open.
Can I keep driving with code B1791 active?
With caution: limp mode possible, have it checked soon
How do you fix code B1791?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
Need help with this fault?
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Where to get it fixed
Related codes
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- B1702 — Seat Driver Recline Forward Switch Circuit Open
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- B1704 — Seat Driver Recline Forward Switch Circuit Short To Ground
- B1705 — Seat Driver Recline Rearward Switch Circuit Failure
- B1706 — Seat Driver Recline Rearward Switch Circuit Open
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- B1708 — Seat Driver Recline Rearward Switch Circuit Short To Ground
- B1709 — Seat Driver Front Up Switch Circuit Failure
- B1710 — Seat Driver Front Up Switch Circuit Open
- B1711 — Seat Driver Front Up Switch Circuit Short To Battery