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I have multiple trouble codes (all Intermittent Faults) that…

Customer Question
I have multiple trouble...

I have multiple trouble codes (all Intermittent Faults) that are electrical and seem related. Trying to understand potential root causes before i take it in.... 8A20: (low beam left signal too low), 4A31: Ejector sensor faulty signal, DF03: CAN-H low speed network signal too high, 1A51: Communication with SRS control module signal missing, E001: Control module communication faulty, 00E5: CAN signal faulty function.... Recently I had the right low beam bulb replaced, tires rotated and one new TPMS put in, but nothing significant. Immediately after leaving the tire shop, received the SRS urgent error for passenger airbag- hence getting the diagnostic codes read. Any thoughts on root cause?

Mechanic's Assistant: Have you checked your tire pressure? Do you have a tire gauge?

(Volvo 60, 2007)

Mechanic's Assistant: What is the model of your '60 Volvo?

2.5T

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

I have multiple trouble codes (all Intermittent Faults) that are electrical and seem related. Trying to understand potential root causes before i take it in.... 8A20: (low beam left signal too low), 4A31: Ejector sensor faulty signal, DF03: CAN-H low speed network signal too high, 1A51: Communication with SRS control module signal missing, E001: Control module communication faulty, 00E5: CAN signal faulty function.... Recently I had the right low beam bulb replaced, tires rotated and one new TPMS put in, but nothing significant. Immediately after leaving the tire shop, received the SRS urgent error for passenger airbag- hence getting the diagnostic codes read.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I think that's it- just trying to understand the potential root causes, thank you.

Submitted: 6 months ago.Category: Volvo
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Customer reply replied 6 months ago
Volvo S60, 2007, 2.5T.
Answered in 13 hours by:
1/5/2018
Volvo Mechanic: Eric, Automotive Repair Shop Manager replied 6 months ago
Eric
Eric, Automotive Repair Shop Manager
Category: Volvo
Satisfied Customers: 34,947
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified

HI,

I am sorry that you have not been helped yet. I just came online and saw your question

Possibly causes include the SRS control module, CANbus line short or open, or occupancy seat module.

I need to get the last 6 of the vin number to pull the schematics.

Ask Your Own Volvo Question
Customer reply replied 6 months ago
634168
Volvo Mechanic: Eric, Automotive Repair Shop Manager replied 6 months ago

Sorry, I will need to opt out as I do not have any schematics for this one. If another expert can help, they will post here to you

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