Why does my GMC 2500 diesel go to sleep?

Why does my GMC 2500 diesel go to sleep?

If the vehicle has been driven for a four to five miles (6.5 to 8.0 km), the DEF Fluid Level Percentage is 100% on the Tech 2, the ignition has been turned off (allowing the ECM to go to sleep for at least 5 minutes), and the DIC still will not update, the message may have become latched into the ECM.

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

How much power does a Duramax Diesel have?

Power was at an all-time high coming in at 397hp and 765 pounds of torque, and in order to provide this much power while still keeping pollutants low, GM needed to be able to increase the pressure in the fuel system to levels above what the tried-and-true CP3 could safely deliver.

When do Def warnings start on a GMC 2500?

The Engine Control Module (ECM) monitors the DEF level and consumption rate in order to calculate an estimated range in miles remaining until the DEF reservoir is empty. DEF levels are detected by the 3-position solid-state DEF level sensor. Typically, DEF warnings begin once the estimated mileage falls below 1,609 km (1,000 mi).

Is there a service exhaust system warning in 2016 GMC 2500?

Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 2016 GMC 2500-had in service garage 3 different times to check error message”Service Exhaust System”. DEF fluid is full and no warning for low levels.

What’s the service exhaust light on a 2012 GMC Duramax?

2012 DURAMAX 6.6L HD Diesel Silvardo, DIC warning light came on service exhaust system. Added DEF, message doesn’t want to clear. Now my speed limit is reduced to 7 KM. How can I fix this problem. I have a 2012 gmc 2500 dura max. I’m 200 miles in on a 800 miles trip and my “service exhaust light ” comes on. This week I has oil and fluid topped off.

When to add Def to Duramax exhaust fluid?

Below 300 miles (500 km) of range, the range message or speed limiting messages will appear every time the vehicle is started. TIP: DEF should be added prior to receiving an Exhaust Fluid Empty DIC message; however, it may take several miles of driving for the DIC message to update.

If the vehicle has been driven for a four to five miles (6.5 to 8.0 km), the DEF Fluid Level Percentage is 100% on the Tech 2, the ignition has been turned off (allowing the ECM to go to sleep for at least 5 minutes), and the DIC still will not update, the message may have become latched into the ECM.