What is the fine-grained topic of the following text: This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is guaranteed to fit all 2009 Pontiac Vibe models with a 2.4L engine size and matching part number 89661-02L32. Only return the topic.
Engine Computer for 2009 Pontiac Vibe models