12/06/2025
DEF DOSING UNIT RELAY HEATER CIRCUIT FAULT DIAGNOSTIC AND REPAIR 💥OPEN/CORRIDED WIRED FROM PIN 7 ECM TO RELAY .
Hernandez.auto Electric
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Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Hernandez.auto Electric, Los Angeles, CA.
04/16/2024
Heavy duty diesel electric specialist, located in LA area. We're mobile and come to you. diagnostics and repairs, obd hd/im smog testing send us a DM ,call or text for any questions or more info (323)438-2105.
instagram: hernandez.dieselelectric
04/08/2024
Heavy duty diesel electric specialist, we're mobile and come to you. diagnostics and repairs, obd hd/im smog testing send us a DM ,call or text for any questions or more info (323)438-2105
11/29/2023
Open circuit on J1939 communication on a KWT680 with a CumminsX15 engjne .
03/29/2023
we also do ecm programming/ updates for cummins engines
03/29/2023
customer concern: driver would lose acceleration , and gauges would drop on the cluster . Pt2 repair and test drive
03/29/2023
customer concern driver would lose acceleration , and gauges would drop on the cluster . Pt1
Any questions, quotes or to book DM/ call or text (323)438-2105
03/29/2023
2018 cascadia with dd15 soot
sensor not communicating with acm and not recieving power. For your diagnostic needs call or text us at 3234382105
03/29/2023
CPC REPROGRAM. we reprogram/update all detroit modules MCM, ACM,TCM , etc
03/29/2023
DPF cleaning, aftertreatment faults, check engines , abs and more!
Electrical Specialist Mobile tech heavy duty diesel and automotive 🚛🚗🔧🔧
11/27/2022
customer concern - check engine light and oil pressure gauge didnt move. issue started after shop installed a new ecm to fix a prior issue . they told him he needed to replace the oil pressure sensure then that the ecm needed to get programmed properly he did both n issue didn't go away. i wonder why 🤔🤦🏻♂️
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Los Angeles, CA