Source-backed diagnostic reference

P1514 EV diagnostic code

Throttle Body Performance

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

BUICK: Throttle Body Performance Source
CADILLAC: Throttle Body Performance Source
CHEVY: Throttle Body Performance Source
CHRYSLER: Throttle Body Performance Source
GM: Throttle Body Performance Source
GMC: Throttle Body Performance Source
JAGUAR: High Load Neutral Drive Fault Source
MAZDA: High Load Neutral Drive Fault Source
OLDSMOBILE: Throttle Body Performance Source
OTHER: High Load Neutral/Drive Fault Source
SATURN: Throttle Body Performance Source
SUBARU: Idle Air Control Solenoid Signal 3 Circuit Low Input Source
VOLKSWAGEN: Intake Manifold Changeover Valve 2 Circuit Short To Ground Source

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