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Month: October 2025

20 October 2025 P2600 à P2699

P2637 – Torque Management Return Signal “A

Learn how to diagnose and fix P2637 code issues with ECM or TCM faults, wiring checks, and software updates. Get expert repair guidance now.

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20 October 2025 P2600 à P2699

P2638 – Torque Management Feedback Signal “A” Range/Performance

Troubleshoot P2638 code causes like faulty ECM/TCM modules, wiring issues, and software updates.

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20 October 2025 P2600 à P2699

P2639 – Low Torque Management “A” Return Signal

Troubleshoot P2639 code causes like faulty ECM/TCM modules or wiring issues. Learn step-by-step diagnostic procedures and repair methods for low torque manag…

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20 October 2025 P2600 à P2699

P2640 – High Torque Management “A” Return Signal

Troubleshoot P2640 code causes like faulty ECM/TCM modules or wiring issues. Learn step-by-step repair methods and symptom analysis to fix high torque manage…

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20 October 2025 P2600 à P2699

P2641 – Torque Management Return Signal “B

Troubleshoot P2641 code causes like faulty ECM/TCM modules or wiring issues. Learn step-by-step diagnostic methods to fix torque management signals and clear…

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20 October 2025 P2600 à P2699

P2642 – Torque Management “B” Feedback Signal Range/Performance

Troubleshoot P2642 code causes like faulty ECM/TCM modules or wiring issues. Learn step-by-step diagnostic procedures and repair solutions for torque managem…

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20 October 2025 P2600 à P2699

P2643 – Low Torque Management Return Signal “B

Troubleshoot P2643 code causes like faulty ECM/TCM modules or wiring issues. Learn step-by-step diagnostic and repair procedures for low torque management si…

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20 October 2025 P2600 à P2699

P2644 – High Torque Management Return Signal “B

Troubleshoot P2644 code causes like faulty ECM/TCM modules, wiring issues, and software updates.

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20 October 2025 P2600 à P2699

P2645 – Rocker Actuator Control Circuit ‘A’ / Bank 1 Open

Troubleshoot P2646 code causes like low oil or faulty actuators. Learn DIY fixes for rocker arm control circuit issues and clear your check engine light.

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20 October 2025 P2600 à P2699

P2646 – Rocker Actuator System Performance ‘A’ / Row 1 Stuck

Troubleshoot P2646 code: engine oil issues, faulty actuator or wiring problems. Learn symptoms like check engine light and step-by-step repair solutions for …

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