P1477 Holden Vq DTC Code

Holden Vq Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Turbocharged Engine

Your Holden Vq engine control system detects a problem, the computer stores the diagnostic trouble code P1477 in its memory. To figure out what is wrong with your vehicle you must first extract the P1477 DTC For Holden Vq.

A good ground connection is also extremely important. P1477 Holden Vq 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).

P1477 Holden Vq DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
1	MFG - Manufacturer Specific
4	Fuel And Air Metering (Injector Circuit Malfunctions Only)
7	Exhaust Gas Recirculation System Valve 1
7	Cruise Control System - Vehicle Accel Too High

If your P1477 Holden Vq 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 P1477 and engine control unit are in charge of monitoring a bunch of different P1477 DTC For Holden Vq, and if they get a reading that's a little out of whack, up pops the check engine light.