P1527 Buick Code - Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range

Quick Answer

With the engine runtime over 5 seconds, system voltage from 10-16v, Transmission Range Switch does not indicate an illegal position, TFP Manual Valve Position switch does not indicate an illegal position, the Powertrain Control Module (PCM) detects that the TR and TFP switches indicated different gears for 7.8 seconds. Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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

P1527 Buick indicates Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range.

Common causes

Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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.