BUICK, CHEVROLET, GMC · 2014-10-15
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Codes P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052, P0053, P0054, P0056, P0057, P0058, P0059, P0060, P0131,?P0132,?P0134,?P0137,?P0138,?P0140,?P0151, P0052, P0154, P0157, P0158,?P0160, P0443, and P0049. Technician also may find Emission 1 Fuse is open. Technician will need to inspect and repair any wires damage on the engine harness to the Bank 1 O2 sensor for chafing on the A/C hose coupling.