P0030
HO2S Heater Control Circuit (Bank 1 Sensor 1)
Affects: Tiggo 4, Tiggo 7, Tiggo 8
On This Page
Quick Fix Summary
Common Causes
- •Faulty O2 sensor heater
- •Wiring issue
- •Blown fuse
How to Fix
- 1Check fuse
- 2Test heater circuit
- 3Replace O2 sensor
Estimated Repair Cost (Australia)
*Cost varies by model, location, and service provider. Get multiple quotes.
⚠️ Disclaimer: This information is for educational purposes only and does not constitute professional mechanical advice. Always consult a certified automotive technician for accurate diagnosis and repair. Repair costs are estimates based on Australian market data (July 2026) and may vary by location, model year, and service provider.
Safety notice: Fault codes related to engine, transmission, or braking systems should be addressed immediately. Delaying repairs may result in further damage or safety hazards.
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Try OBD2 Lookup Tool →Frequently Asked Questions
What does P0030 mean on a Chery?
P0030 means ho2s heater control circuit (bank 1 sensor 1). The most common cause is a faulty O2 sensor or exhaust leak.
How much does it cost to fix P0030 on a Chery?
Repair costs for P0030 typically range from $150 to $400 AUD, depending on the root cause.
Can I still drive with P0030 code?
P0030 is medium severity. You can drive short distances, but schedule a diagnostic soon.
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