The P0578 diagnostic trouble code indicates that the vehicle's control module has detected that the Cruise Control Multi-Function Input “A” signal is stuck at a...
The P0549 trouble code means the engine control module has detected an abnormally high electrical signal from the Exhaust Gas Temperature (EGT) sensor circuit o...
The P0548 trouble code indicates that the engine control module (ECM/PCM) has detected an exhaust gas temperature (EGT) sensor signal that is lower than the exp...
The P0547 trouble code means the engine control module has detected a problem in the electrical circuit of the Exhaust Gas Temperature (EGT) Sensor on Bank 2, S...
The P0490 trouble code means the engine control module (ECM/PCM) has detected an abnormally high electrical condition in the control circuit of the Exhaust Gas ...
The P0489 diagnostic trouble code means that the engine control module (ECM/PCM) has detected an abnormally low electrical signal in the EGR “A” control circuit...
The P0488 trouble code means the engine control module (ECM/PCM) has detected that the EGR throttle control circuit "A" is not operating within its expected ran...
The P0486 trouble code means the engine control module (ECM/PCM) has detected a malfunction in the circuit associated with the Exhaust Gas Recirculation (EGR) S...
The P0485 diagnostic trouble code means that the engine control module (ECM/PCM) has detected a problem in the power or ground circuit of the engine cooling fan...
The P0484 trouble code means the engine control module (ECM/PCM) has detected that the cooling fan circuit is drawing more electrical current than expected....
The P0482 trouble code means the engine control module (ECM/PCM) has detected a malfunction in the control circuit for Cooling Fan 3....
The P0479 trouble code indicates that the engine control module (ECM/PCM) has detected an intermittent electrical or control signal from the Exhaust Pressure Co...
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