When to use the 4WD service code c0379?
When to use the 4WD service code c0379?
This condition may only occur after a cold temperature start-up (typically below -6°C to -1°C (20°F to 30°F). If this concern is accompanied by an illuminated “Service 4WD” light, and a DTC C0379, during a cold weather start up, the following information may apply.
What’s the c0379 code on my service light?
Got a service light on the dash and it’s throwing out C0379 code. The spline disconnect was changed in June. I just changed the selector switch, (easy fix first).
What is the OBD2 code for a Chevy?
OBDII Chevrolet Code Definitions. Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.
When to use the c0379 history code?
Important: When a vehicle with this concern is diagnosed in the repair facility, usually the inside temperature is warm enough that the system operates normally, and the C0379 will be set as a history code, making the concern intermittent and difficult to diagnose.
Why do I get code c0379 on my Silverado Sierra?
When the TCCM grounds the light blue wire the actuator locks the axle. If either circuit is open, grounded, or shorted to voltage you will get that code. Fast test: Key ON engine OFF and 2WD selected use a meter from battery ground to test for 12V at the brown wire, then the light blue wire.
What does the 4WD service light c0379 code mean?
If this concern is accompanied by an illuminated “Service 4WD” light, and a DTC C0379, during a cold weather start up, the following information may apply. The front drive axle actuator assembly engages the front axle in response to commands from the Transfer Case Control Module (TCCM).
What is the c0379 control circuit all about?
Re: C0379 Help! C0379 is all about the axle actuator control circuit. Should be 12V on the brown wire at the actuator, and the TCCM should see 12V coming through the actuator on the light blue wire. When the TCCM grounds the light blue wire the actuator locks the axle.
When do I set the p2135 Chevrolet code?
When the control module detects that the TP sensor 1 signal and TP sensor 2 signals disagree or the signal voltages are outside the predetermined range, the P2135 code is set. Need more information on how to fix the P2135 CHEVROLET code?
