Trouble codes Chevrolet Malibu
Diagnose and fix multiple trouble codes Chevrolet Malibu
If you have trouble codes on a 2016-18 Chevrolet Malibu, this may be the fix for you. GM has done it again; routed a main wiring harness next to a sharp component (will they ever learn?). Shops are reporting multiple trouble codes: P0089, P0101, P0121, P0236, P0237, P0336, P0557, P057C, P0575, P057E, P0641, P0651, P0700, P1101, P15F6, P15FD, P16E4, P2227, P2230, P2544, P3051, U0014, U0073, U0101, U0121, U0140, U1814, U18A7 due to this wiring harness chaffing against the battery tray.
The wire chaffing issue is found on 2016-18 Chevrolet Mailbu with the 1.5L engine.
To correct the problem, fix any broken, shorted or chaffed wires.

Anti-abrasive woven polyester electrical tape
Then wrap the entire area with multiple layers of polyester electrical tape (PET).

Wire harness chaffing on battery tray Chevrolet Malibu
Posted on by Rick Muscoplat