My voltage across the.

Webthis diagnostic is typically line heater 3 open circuit.

Check for multiple codes.

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Diesel exhaust fluid (def) line heaters are internal of the def lines.

You most certainly have a rubbed or corroded wire or bad connection somewhere between.

I have ran through all of the cummins troubleshooting steps and i've come to a wall in where to go.

The heater electrical connectors are located near the def line couplings.

Webi have a code for heater line 1 open circuit.

Webjan 4, 2022 · ohm test and load test the wiring from the ecm to the def dosing unit.

Freightliner – DEF Line – HTR2 – #04-30404-0, 546292170R | EKG DIESEL

Webi have a code for heater line 1 open circuit.

Webjan 4, 2022 · ohm test and load test the wiring from the ecm to the def dosing unit.

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