2008 chevy truck p1174 dtc code - 1998 BMW Z3 Roadster

Where did you get code? whomever ran diagnostic should have told. Anyone can buy a $19.00 scanner, and still not code meaning, All Vehicles in North America use OBD2 codes and you can look online by typing P1174 code. the results are free. It took about 5 seconds to find answer..
https://www.autocodes.com/p1174_chevrolet.html

https://www.engine-codes.com/p1174.html
https://www.troublecodes.net/gmcodes/p1174/

You may have a fuel injector problem.- try a good fuel system cleaner.

Buy a bottle of Chevron Techron fuel injector cleaner and dump it in the gas tank. It's one of the few that really works

the following links can assist you
P1174 Chevrolet Fuel Trim Cylinder Balance Bank 1 P1174 Chevrolet Fuel Trim Cylinder Balance Bank 1

Where did you see this ? driver message center ?
ECS
Emission Control System or was ESC
ESC
Electronic Suspension Control
No matter which it is you should have the vehicle checked for DTC'S - diagnostic trouble codes DTC Database OBD II Trouble Codes

DTC P0172: Fuel Trim System Rich
DTC P1174: Air Fuel Imbalance Bank 1
Your best bet is to take it to a ASE certified repair shop or dealer < It's going to take special diagnostic tools to trouble shoot an fix this problem .

change spark plugs don't forgey yo gap yhem correcylt

P1174 Chevy - Fuel Trim Cylinder Balance.
Possible causes- Failed HO2S
- Ignition problem
- Fuel injection problem
- Engine mechanical condition
Symptoms- Engine Light ON (or Service Engine Soon Warning Light)

trouble code p1174 for 2008 chevy 1500? P1174 indicates fuel trim cylinder balance malfunction.

i have an 2007 chevy uplander flexfuel i keep getting p1174 also i have replaced the the o2 sensors and the light keeps coming on
i belive it has something to do with the fuel injection system