Your Packard Patrician engine control system detects a problem, the computer stores the diagnostic trouble
code C3149 in its memory.
To figure out what is wrong with your vehicle you must first extract the C3149 DTC For Packard Patrician.
A good ground connection is also extremely important. C3149 Packard Patrician engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).
C3149 Packard Patrician DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
SAE - Generic
Fuel And Air Metering
Control Module Throttle Actuator Position Performance
A/C System High Pressure High Temperature
If your C3149 Packard Patrician check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C3149 and engine control unit are in charge of monitoring a bunch of different C3149 DTC For Packard Patrician, and if they get a reading that's a little out of whack, up pops the check engine light.