P1197 Possible Causes
- Faulty differential pressure sensor
- Differential pressure sensor harness is open or shorted
- Poor electrical connection in differential pressure sensor circuit
How is code P1197 repaired?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Technical Notes
Differential pressure sensor intake manifold high input, bank 1
Check Engine Light On (or Service Engine Soon Warning Light)
P1197 Meaning
The differential pressure sensor intake manifold signal is the generic description for code P1197, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about OBDII code P1197.