Mazda TSB #1011M
2016 Mazda MAZDA6
Affected Component: ELECTRICAL SYSTEM
- Summary
- SOME CUSTOMERS MAY COMPLAIN ABOUT A CHECK ENGINE LIGHT ON WITH DTC P0137 (HO2S CIRCUIT LOW INPUT) STORED IN PCM MEMORY. THIS MAY BE CAUSED BY REAR HARNESS DAMAGE FROM AN AFTERMARKET ALARM SYSTEM INSTALLATION.