P1579 Chevrolet Code - P/N to D/R at High Throttle Angle - Power Reduction Mode Active

Quick Answer

The Powertrain Control Module (PCM) determines that it should retard spark timing and disable fuel to individual cylinders to reduce the engine power if the gear selection in Park or Neutral to Drive or Reverse, VSS input less than 6 mph, engine speed more than 2000 rpm and throttle angle at 20 degrees or more. Common causes include Faulty Throttle Control Body, Throttle Control Body harness is open or shorted, Throttle Control Body circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means

P1579 Chevrolet indicates P/N to D/R at High Throttle Angle - Power Reduction Mode Active.

Common causes

Common causes include Faulty Throttle Control Body, Throttle Control Body harness is open or shorted, Throttle Control Body circuit poor electrical connection.

Severity

High - diagnose this code as soon as possible.

Can I drive?

Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.