VW Code 13216

13216 Description And Summary :
When you open supply voltage for fuel injector group a, short to ground mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded or exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses is the final reason of the code.

13216 Possible Causes:

13216 vw fault code may be caused by one or more of the following:

Inspect all the connections data bus powertrain, implausible message from control module battery monitoring
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns