P0141
Low severityO2 Sensor Heater Circuit (Bank 1, Sensor 2)
Quick answer
P0141 (O2 Sensor Heater Circuit (Bank 1, Sensor 2)) means: The heater in the downstream oxygen sensor on bank 1 isn't working. Low urgency; affects readiness. Typical Malaysia repair cost: RM80–RM300 (approximate).

Symptoms
- •Check engine light
- •Readiness monitor won't complete
Likely causes
- •Failed oxygen sensor
- •Heater fuse/wiring
- •Connector issue
Can I drive?
Low urgency; affects readiness.
Estimated repair cost (Malaysia)
RM80–RM300 (approximate)
This is general information, not a diagnosis. AutoMalaya OBD helps explain your car’s actual scan data; a qualified mechanic may still need to inspect the vehicle.