DTC P1156: Fuel Select Switch Circuit
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P1156 - FUEL SELECT SWITCH CIRCUIT
| Description: | This DTC is set when the operating mode reported by the fuel injector control module (FICM) does not agree with the operating mode requested by the powertrain control module (PCM). | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to HL: Dual-Injection Fuel Delivery System STEP HL19. |