- Short circuit to B+ in signal wire
- Oxygen sensor faulty
- Control module faulty
Affected pins
DME control module connector II, pin 9 and oxygen sensor jack, bank 1, pin 3
DME control module connector II, pin 15 and oxygen sensor jack, bank 1, pin 4
Diagnosis/troubleshooting
NOTE: Do not use contact spray on the oxygen sensor plug connections as this may cause irreparable damage to the wiring (contamination of the
oxygen sensor via the reference air channel).