What does code P1134 mean on Audi vehicles?
A short to battery positive has been detected in the heater circuits of Sensor 2 on both banks.
OBD-II Code Audi
P1134 — Audi — O2 Sensor Heater Circuit Bank 1 and Bank 2 Sensor 2 Short to B+
A short to battery positive has been detected in the heater circuits of Sensor 2 on both banks.
Common symptoms
- Downstream O2 sensors inoperative.
Possible causes
- Damaged wiring.
Initial recommendation
Inspect heater wiring.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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