Error code

Buick All models code P1133

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Meaning

Heated oxygen sensor (H02S) 1 -insufficient switching

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

Wiring open circuit/short circuit to ground, exhaust system leaking, H02S

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.

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