Chevy HHR:  Bad ECM → Symptoms + Diagnosis

Your Chevy HHR’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your HHR 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

Chevy Express:  Bad ECM → Symptoms + Diagnosis

Your Chevy Express’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Express 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

Chevy Equinox:  Bad ECM → Symptoms + Diagnosis

Your Chevy Equinox’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Equinox 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

Chevy Cruze:  Bad ECM → Symptoms + Diagnosis

Your Chevy Cruze’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Cruze 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

Chevy Corvette:  Bad ECM → Symptoms + Diagnosis

Your Chevy Corvette’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Corvette 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

Chevy Colorado:  Bad ECM → Symptoms + Diagnosis

Your Chevy Colorado’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Colorado 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

Chevy Cobalt:  Bad ECM → Symptoms + Diagnosis

Your Chevy Cobalt’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Cobalt 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

Chevy Cavalier:  Bad ECM → Symptoms + Diagnosis

Your Chevy Cavalier’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Cavalier 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

Chevy Captiva:  Bad ECM → Symptoms + Diagnosis

Your Chevy Captiva’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Captiva 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

Chevy Camaro:  Bad ECM → Symptoms + Diagnosis

Your Chevy Camaro’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Camaro 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