What P1153 means
Bank 2 Fuel Control Shifted Lean
Common causes (general)
Before spending money on parts, verify the code with a scan tool and read freeze frame data. Freeze frame captures every sensor value at the moment the code set — this is often enough to figure out the root cause without further testing.
Manufacturer-specific descriptions
Different manufacturers use this code for slightly different failure modes. Here's what your specific make means by P1153:
| BMW | O2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 1) |
| BUICK | HO2S Insufficient Switching |
| CADILLAC | HO2S Insufficient Switching |
| CHEVY | HO2S Insufficient Switching |
| CHRYSLER | Bank 2 Fuel Control Shifted Lean |
| FIAT | Lambda 2 signal above catal.(deviated) |
| FORD | Bank 2 Fuel Control Shifted Lean (FAOSC); Bank 2 Fuel Control Shifted Lean |
| GM | HO2S Insufficient Switching - Read Our Article On Oxygen Sensor Codes For Help With These GM Trouble Codes; Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 2 Sensor 1 |
| GMC | HO2S Insufficient Switching |
| LEXUS | Air/Fuel Ratio Sensor Circuit Response Malfunction Bank 2 Sensor 1 |
| LINCOLN | Bank 2 Fuel Control Shifted Lean |
| MAZDA | Bank 2 Fuel Control Shifted Lean FAOSC |
| MERCURY | Bank 2 Fuel Control Shifted Lean |
| MITSUBISHI | Bank 2 Fuel Control Shifted Lean |
| NISSAN | Bank 2 Fuel Control Shifted Lean |
| OLDSMOBILE | HO2S Insufficient Switching |
| OTHER | Bank 2 Fuel Control Shifted Lean |
| SATURN | HO2S Insufficient Switching |
| TOYOTA | Air/Fuel Sensor Circuit Response Bank 1 Sensor 2 |
| VOLKSWAGEN | HO2S Insufficient Switching Bank 2 Sensor 1; Heated oxygen sensor (HO2S) 2,banks 1 & 2 'interchanged |
Read this code on your own car
DIY Fix My Car reads P1153 plus 25,000+ other DTC codes with manufacturer-specific descriptions. Includes freeze frame data, likely fix parts, and AI mechanic chat. Download free.