B219116 The Power Supply of Circuit 30g is Out Side The Valid Range

Fault code B219116 The Power Supply of Circuit 30g is Out Side The Valid Range in mercedes benz is related to the power supply in all the control module present in the vehicle. when all control module present in vehicle stop getting power supply or feel fluctuation in power suuply fault code B219116 The Power Supply of Circuit 30g is Out Side The Valid Range store in SAM box control module as it is use to distritbute power supply to all the control module. in all mercedez benz car there is one front SAM box, rear SAM box, and FUSE box F32 (main fuse box). Fuse box F32 is use to supply power in all the control module like SAM box, central getway, engine control module, transmission control module etc. when fuse box F32 get fail, it stop supplying power to all control module. when sam box stop getting power suppy it store this fault code.

Fault code

Causes of B219116 The Power Supply of Circuit 30g is Out Side The Valid Range :

  • inspect faulty electrical lines, repair or replace it if necessary.
  • check electrical line from control unit N10/1 to ground point.
  • also check electrical line from control unit N10/1 to component F32.
  • replace component F32 fuse box if faulty than change it.

Symtoms of B219116 The Power Supply of Circuit 30g is Out Side The Valid Range :

  • all warning lights on cluster meter may start flshing.
  • some function in vehicle will stop working.
  • also some time no crank no start problem can cuase.
  • fault code will store in sam box control module.

How to trouble shoot B219116 :

  • mechanic need to scan vehicle with scan tool scan and rectify the fault code present in control module. check one by one all the fault code present, try to relate all the fault code.
  • if fault code B219116 and all other same fault code like low voltage is present in front fuse box. than start diagnosing car from battery voltage check battery voltage. if voltage at battery is near 12V+ it good, go to check power supply at fuse box F32 it should show same voltage. chekc output power supply from fuse box F32 if all good, then go to check main power supply at front fuse box, rear fuse box. if all power supply is ok from fuse box to sam box than check relay F32.
  • F32 relay play an important role in power supply it get fail all these fault code will store in control module.
Fuse box F32
  • Replace fuse box F32 or relay F32 that may solve problem of all warning lights present on cluster meter.
  • Relay F32 is present inside the fuse box present near the battery.

Solution :

  • replcae faulty fuse box f32.
  • replace relay F32.
  • repair or replace electrical line repair if require.
  • replace faulty front or rear sam box if require.
Relay F32

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