SNV21-001
Service Bulletin Details
Public Details for: SNV21-001
Improved method for determining which dtc to troubleshoot in a mil on situation
Models from 2021
| 2021 VOLVO VAH |
| 2021 VOLVO VHD |
| 2021 VOLVO VNL |
| 2021 VOLVO VNR |
Models from 2020
| 2020 VOLVO VAH |
| 2020 VOLVO VHD |
| 2020 VOLVO VN |
| 2020 VOLVO VNL |
| 2020 VOLVO VNM |
| 2020 VOLVO VNR |
Models from 2019
| 2019 VOLVO VAH |
| 2019 VOLVO VHD |
| 2019 VOLVO VN |
| 2019 VOLVO VNL |
| 2019 VOLVO VNM |
| 2019 VOLVO VNR |
Service News To: From: Subject: Service Managers Service Technicians Region: ☒U.S. ☒CAN Bulletin: SNV21-001 Date: January 25, 2020 Valid to: N/A Action Required? ☐Yes ☒No Reliability Engineering Improved method for determining which DTC to troubleshoot in a MIL on situation This information is applicable to vehicles built January 1, 2021 as it pertains to EMS and ACM DTC’s. The below information will be retroactive to 2019 and 2020 model year Trucks as well, planned release Q1 2021. In situations where the Technician has an illuminated MIL confirmed DTC = True DTC’s. (Malfunction Indicator lamp) and multiple A Software enhancement has been introduced to allow PTT to read and display an additional Bit 7 info type. Upon expanding the “Detailed Status Information” icon within PTT’s fault code scan screen, the Technician will now see a new line for “Warning Indicator Requested”. Warning Indicator Requested = False (DTC not causing MIL, most likely a Healed DTC) Warning Indicator Requested = True (DTC causing MIL and should be diagnosed) This functionality will only be available with latest ECM and ACM software versions. Page 1 of 1 © 2021 Volvo Group North America, LLC. CONFIDENTIAL - For limited distribution only to circulation list above. This bulletin, and any information herein, is subject to change by Company without notice. For the most current and accurate information, always refer to Trucks Dealer Portal for the electronic version of this document.