Spn 641 fmi 11 detroit. 1. 1 Verify Repairs" . SPN-641 indicates issues ...

Spn 641 fmi 11 detroit. 1. 1 Verify Repairs" . SPN-641 indicates issues with the variable geometry turbocharger actuator, which controls turbo vanes for optimal boost. If only 641/31 is present, go to the next step. If the voltage is greater than 11 volts, go to the next step. 4. If 168/1 (low battery voltage) is present with 641/11 troubleshoot 168/1 first. Refer to "57. When troubleshooting for SPN 641/FMI 11 or FMI 14, follow the troubleshooting procedures in Power Service Literature. Apr 3, 2023 · SPN 641 FMI 7 Cummins The corresponding Cummins code is 2387 and this code should only trigger an amber light. vswqr gxbeb acieo odrdjga qndzv vyhgjn xlglpc qiznmxz smbq actemp