P1169 Primary HO2S No 1 Label Circuit High Input
What does P1169 mean on a Honda?
P1169 — Primary HO2S No 1 Label Circuit High Input. This Honda-enhanced code applies to Civic, Accord, CR-V, RSX, Odyssey.
Common causes of P1169
- Open ground in the A/F sensor label circuit
- Incorrect aftermarket sensor with wrong calibration resistor
- Short to voltage in the label wiring
- Poor ECM ground
How to fix P1169
- Confirm the sensor part number matches Honda catalog for the VIN
- Check label circuit voltage and ground integrity against service data
- Repair wiring or install the correct OEM-spec sensor
- Clean and tighten ECM and engine grounds
- Clear codes and confirm the label reading stabilizes on an HDS scan tool