Code : U210B
Marque : MERCURY
Description : U210B MERCURY Lost Communication Between Fuel Pump Control Module ‘A’ and Restraints Control Module
Possible causes :
– Event Notification Signal (ENS) harness is open or shorted
– Event Notification Signal (ENS) circuit poor electrical connection
– Radio frequency interference or electromagnetic interference
– Faulty Restraints Control Module (RCM)
– Faulty Fuel Pump Control
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.



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