C0377 Hummer H2 Engine Fault Code

Check Solution For C0377 Hummer H2 OBD Code :

C0377 Hummer H2 engine code seems a kind of chassis problem, we try to show one by one the meaning and the solution.
Brief explanation of the C0377 Hummer H2 code and definition of C0377 Hummer H2 is the bottom side.

C0377 Hummer H2 Meaning :

c Chassis Code
Problem is controller area network wiring bus and modules.
0 SAE - Generic
3 IC Module 4X Ref Circuit Intermittent, No Pulses
7 Vehicle Speed Output Circuit
7 Cruise Inhibit Control Circuit

SAE - Generic codes, which have a '0' as their second digit to indicate they are common to all makes and models of vehicles. These are the codes that are required for basic emissions fault diagnosis.

How To Fix C0377 Hummer H2 ?

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

C0377 Hummer H2 Code Description:

The valves of each cylinder are kept closed using a pair of arms that replace the conventional engine's roller-type rocker arm. C0377 code one of these arms follows the cam profile while the second arm connects to the valves. During normal engine operation the two arms are joined by a locking pin. When you see C0377 Hummer H2 engine fault code on your engine code reader this description will help you.

C Codes List of all Chassis codes.

Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the C Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.

BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.

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