U0191 Diagnostic Trouble Code Discussion for May 2023
pcm lost communication with fuel pump module
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| Help Request | Posted | |
| 2019 Chevrolet Silverado 3500 HD LT 6.0L MIL Lamp on VIN: 2GC2KREG9K U0191: pcm lost communication with fuel pump module. ... beeping intermittently, after a little while the check engine comes on with code u0191 lost fp module comm. No drivability concerns and the trailer brakes seem to keep working. It acted up after hooking up the custome... |
May 04, 2023 |
