Manufacturer-specific Codes
While generic OBD2 codes are standardized across all vehicles, manufacturer-specific codes are unique to each car manufacturer. These codes provide even more specific information about issues with your vehicle and can be incredibly helpful in diagnosing and fixing problems.
On this page, you’ll find a wealth of articles covering a wide range of manufacturer-specific OBD2 codes, going beyond just an explanation of what they mean. Explore now!
In a hurry? Quickly jump to the code you're facing:
Acura P1112: IAT Sensor Circuit Low Input (Intermittent)
Learn about the Acura P1112 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1114: ECT Sensor Circuit Low Input (Intermittent)
Learn about the Acura P1114 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1115: ECT Sensor Circuit High Input (Intermittent)
Learn about the Acura P1115 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1116: Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance Problem
Learn about the Acura P1116 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1121: Throttle Position Sensor Intermittent High Input
Learn about the Acura P1121 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1122: Throttle Position Sensor Intermittent Low Input
Learn about the Acura P1122 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1128: Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected
Learn about the Acura P1128 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1129: Manifold Absolute Pressure (MAP) Sensor Signal Higher Than Expected
Learn about the Acura P1129 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1133: HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
Learn about the Acura P1133 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.
Acura P1134: HO2S-11 (Bank 1 Sensor 1) Transition Time Ratio Error
Learn about the Acura P1134 code and how to fix it. Our expert guide covers common causes and solutions to keep your car running at its best.