Mercury Grand Marquis P0705: Meaning, Causes, & Diagnosis

P0705 is a very common transmission-related trouble code that can occur in the Mercury Grand Marquis. In layman’s terms, it means that your Grand Marquis can’t tell what gear you’ve selected, which can have some real consequences on how it drives. It’s most likely caused by a bad Transmission Range Sensor (TRS), but there are … Read more