P1xxx

GM Code car problem P1518

Throttle control module/engine control module (ECM) -communication malfunction

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GM Code car problem P1517

Throttle Actuator Control Module Performance

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GM Code car problem P1516

TAC Module Throttle Actuator Position Performance

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GM Code car problem P1515

Control Module Throttle Actuator Position Performance

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GM Code car problem P1514

Throttle Actuator Control System Mass Air Flow Performance

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GM Code car problem P1512

Throttle command/actual throttle position -signals out of range

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GM Code car problem P1511

Throttle Control System – Backup System Performance

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GM Code car problem P1510

Throttle Control System – Throttle Limitation Active

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GM Code car problem P1509

Idle Speed High Idle Air Control System Not Responding

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GM Code car problem P1508

Idle Speed Low Idle Air Control System Not Responding

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