P1188 AUDI Possible Causes
- Faulty O2 sensor
- O2 sensor wiring harness open or shorted
- Poor electrical connection in O2 sensor circuit
How to Fix P1188 AUDI Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or engine warning light soon)
P1188 AUDI Meaning
The Engine Control Module (ECM) monitors the compensation resistance of the linear O2 sensor. The ECM sets the OBDII code when the linear O2 sensor’s compensation resistance does not meet factory specifications.