Mercedes-Benz: P1856 & P240C – Fault & Fix
The Mercedes fault code P1856, also known as "Selector Lever Position Detection Failed", occurs on several models with an automatic transmission. This fault code can also often be read in combination with fault code P240C. The CAN signal for the selector lever position from component N15/5 (electronic selector lever module control module) is unlikely.
In which models are these error codes often read?
The symptoms of Fault Code P1856 and P240C
The fault codes P1856 and P240C cause problems with gear selection. This results in incorrect display or non-recognition of the selector lever position on the dashboard. Common problems include difficulty shifting into reverse (R) or into park (P), difficulty or inability to shift gears, or being stuck in a particular gear.
The causes of Fault Code P1856 and P240C
The most common problem for the fault codes P1856 and P240C is a defective automatic transmission selector lever.
The Solution for the Mercedes-Benz Error Codes
ACTRONICS offers an overhaul solution for this selector lever malfunction. Via our website you can select the Gear Selector for the specific vehicle, fill in your details and send the overhaul order. Our specialists inspect and overhaul the part, replacing defective components with improved versions. After a thorough final test, the reconditioned part is returned within two working days, including a two-year warranty for a worry-free driving experience.
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