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Old 03-25-2020, 10:03 PM   #1
AudiDudi
 
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Default SRS sensor error codes after bettery replacement

PepBoys just replaced the battery in my 2016 Sprinter 3500 based motor home. When I restarted it, the SRS light is on. I'm seeing codes of B101A00, B101B00 (airbag crash sensors both sides) and P193600 (generator switch off open/short to ground). They used a memory saver plugged into the OBDII port.

I've checked for things being unplugged under the driver's seat. I verified fuses 12 and 17 are good.

Any suggestions as to other things to check and getting the light reset? My reader will display codes, but will not reset them.
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Old 03-26-2020, 03:54 AM   #2
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Default Re: SRS sensor error codes after bettery replacement

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Originally Posted by AudiDudi View Post
PepBoys just replaced the battery in my 2016 Sprinter 3500 based motor home. When I restarted it, the SRS light is on. I'm seeing codes of B101A00, B101B00 (airbag crash sensors both sides) and P193600 (generator switch off open/short to ground). They used a memory saver plugged into the OBDII port.

I've checked for things being unplugged under the driver's seat. I verified fuses 12 and 17 are good.

Any suggestions as to other things to check and getting the light reset? My reader will display codes, but will not reset them.
Curious, method used to check fuses?
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Old 03-26-2020, 04:20 AM   #3
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Default Re: SRS sensor error codes after bettery replacement

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Originally Posted by Bobnoxious View Post
Curious, method used to check fuses?
Test light, verifying voltage on both sides. Also removed and checked.
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Old 03-26-2020, 08:06 AM   #4
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Default Re: SRS sensor error codes after bettery replacement

I'd go along the route of getting the codes reset and then see if they come back again.

There shouldn't be anything about changing a battery that triggers SRS codes AFAIK.

Could be that something went squirrelly when they plugged in the memory saver.

If there is an actual problem (such as a dislodged cable) then the SRS light should come back on pretty much straight away.
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Old 03-26-2020, 05:00 PM   #5
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Default Re: SRS sensor error codes after bettery replacement

?? working from foggy memory, don't replacement batteries have to be "learned" by the newer Sprinters?
(more correctly: taught to the Sprinter ... requiring appropriate scanner tool)
((2016 is on the borderline between "older and newer" in this respect))

I would also suspect that a typical "memory saver" tool would not supply enough current for the Sprinter's needs during the change-over, possibly leading to thoroughly confused computers

--dick
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Old 03-26-2020, 09:18 PM   #6
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Default Re: SRS sensor error codes after bettery replacement

There’s no real reason to use the memory saver when swapping the battery.
Most of us store the RV all winter with the battery disconnected. Which is no different than doing a swap.

Memory savor Might be the cause of the problem ? Don’t think we will ever know ?

Get a MB scan tool and clear the codes would be the first thing. SRS codes will NOT clear on their own no matter how many drive cycles or key starts. Generator code may reset on its own ?

Many of the Autel all systems tools will reset the SRS.
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