P1189: Linear Oxygen Sensor Compensation Resistor Short To B+
Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What Does P1189 Mean?
P1189 is a manufacturer-specific diagnostic trouble code: Linear Oxygen Sensor Compensation Resistor Short To B+. This code applies to VOLKSWAGEN, JAGUAR, BUICK, CADILLAC, CHEVY 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 P1189
- β οΈ Check Engine Light (MIL) illuminated
- β οΈ Linear Oxygen Sensor Compensation Resistor Short To B+ not functioning as expected
- β οΈ Related system may be in fail-safe mode
- β οΈ Reduced engine performance
Common Causes
- π Faulty Linear Oxygen Sensor Compensation Resistor Short To B+
- π Wiring or connector issue in Linear Oxygen Sensor Compensation Resistor Short To B+ circuit
- π Related mechanical or electrical fault
- π ECM/PCM issue (rare)
Frequently Asked Questions
What does P1189 mean?
Can I drive with code P1189?
How much does it cost to fix P1189?
What To Do Next
Possible Fixes
- π§ Inspect Linear Oxygen Sensor Compensation Resistor Short To B+ and related wiring
- π§ Replace faulty Linear Oxygen Sensor Compensation Resistor Short To B+
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
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.