The B1976 Code explains the problem of the car engine. You need to know the real meaning if you want to fix the problem of the car engine. You can see the dictionary or basic meaning of the code and it is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 9 for Fuel and Air Metering (Injector Circuit Malfunctions Only). 7 for Vehicle Speed Output Circuit and 6 for Cruise Control System – Vehicle Accel Too High. The body of the engine has the problem and it is easy to fix.