P1182: O2 Sensor Bank 1 Sensor 2 Open Circuit During Coast Down Fuel Cut-off
BMW
VOLKSWAGEN
OTHER
MAZDA
Severity
Medium
System
Manufacturer-Specific Powertrain
What Does P1182 Mean?
P1182 is a manufacturer-specific diagnostic trouble code: O2 Sensor Bank 1 Sensor 2 Open Circuit During Coast Down Fuel Cut-off. This code applies to BMW, VOLKSWAGEN, OTHER, MAZDA vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.
Symptoms of P1182
- β οΈ Check Engine Light (MIL) illuminated
- β οΈ Erratic O2 Sensor Bank 1 Sensor 2 Open readings
- β οΈ Related system operating intermittently
- β οΈ Reduced engine performance
Common Causes
- π Wiring issue in O2 Sensor Bank 1 Sensor 2 Open circuit (damaged, chafed, or corroded)
- π Faulty O2 Sensor Bank 1 Sensor 2 Open connector or terminal
- π Failed O2 Sensor Bank 1 Sensor 2 Open
- π ECM/PCM connection issue
Frequently Asked Questions
What does P1182 mean?
P1182 indicates: O2 Sensor Bank 1 Sensor 2 Open Circuit During Coast Down Fuel Cut-off. The vehicle's computer has detected that the O2 Sensor Bank 1 Sensor 2 Open is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P1182?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1182 for extended periods may cause additional problems.
How much does it cost to fix P1182?
Repair costs for P1182 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80β$150 at most shops) will identify the exact cause before committing to expensive parts.
What To Do Next
Possible Fixes
- π§ Inspect and repair O2 Sensor Bank 1 Sensor 2 Open wiring and connectors
- π§ Replace faulty O2 Sensor Bank 1 Sensor 2 Open
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Find your vehicle above
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Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50β$150) pinpoints the root cause.
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