Chrysler Town & Country P1128 Code: Meaning and Whether You Can Drive

On a Chrysler Town & Country, P1128 is described as “Closed loop fueling not achieved”. One source addressing a 2009 Town & Country uses that definition, while other references use the fuller wording “Closed Loop Fuel Not Achieved Bank 1”. It means the powertrain control module (PCM) has not reached, or cannot rely on, the… Read More: Chrysler Town & Country P1128 Code: Meaning and Whether You… »

P0685 Code: ECM/PCM Power Relay Circuit Meaning, Symptoms and Diagnosis

P0685 means the vehicle has detected an open or otherwise abnormal condition in the ECM/PCM power relay control circuit. The relay supplies power to the engine or powertrain control module, but the code does not prove that the relay itself—or the control module—has failed. A wiring, connection, or other circuit fault may also be involved,… Read More: P0685 Code: ECM/PCM Power Relay Circuit Meaning, Symptoms and Diagnosis »

What Happens When a Rocker Arm Actuator Goes Bad? Symptoms, Causes, and Driving Risks

A rocker arm actuator or control-system fault can switch on the Check Engine Light and reduce engine performance. The vehicle may still run, but the symptoms and risk depend on what has actually failed: the actuator system, its oil supply or electrical controls, or a rocker arm itself. A fault code does not, by itself,… Read More: What Happens When a Rocker Arm Actuator Goes Bad? Symptoms,… »