Mazda CX-5:  Bad ECM → Symptoms + Diagnosis

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Your Mazda CX-5’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your CX-5 can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Mazda CX-3:  Bad ECM → Symptoms + Diagnosis

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Your Mazda CX-3’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your CX-3 can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Mazda Miata:  Bad ECM → Symptoms + Diagnosis

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Your Mazda Miata’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Miata can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Mazda MX-5:  Bad ECM → Symptoms + Diagnosis

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Your Mazda MX-5’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your MX-5 can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Mazda 6:  Bad ECM → Symptoms + Diagnosis

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Your Mazda 6’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your 6 can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Mazda 3:  Bad ECM → Symptoms + Diagnosis

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Your Mazda 3’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your 3 can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Mazda 2:  Bad ECM → Symptoms + Diagnosis

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Your Mazda 2’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your 2 can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Dodge Sprinter:  Bad ECM → Symptoms + Diagnosis

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Your Dodge Sprinter’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Sprinter can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Dodge Ram:  Bad ECM → Symptoms + Diagnosis

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Your Dodge Ram’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Ram can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Dodge Nitro:  Bad ECM → Symptoms + Diagnosis

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Your Dodge Nitro’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Nitro can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more