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motorwerks

10-04-2018, 04:58 PM
CAT CODE 34-7 (NOT FLASH CODE) ANYONE KNOW WHAT IT IS?

zyNoT

10-10-2018, 07:57 PM
(10-04-2018, 04:58 PM)motorwerks Wrote: [ -> ]CAT CODE 34-7 (NOT FLASH CODE) ANYONE KNOW WHAT IT IS?

Engine Speed Sensor. I would guess bad harness if any other codes are present.

motorwerks

10-15-2018, 05:18 PM
Ref. code 34-7, this is BXS motor, the only place this code is recorded is in snapshots. says unknown code check service manual. The 34 flash code turns into 64-8, 190-8, and then there is the calibration codes 22-11 & 22-13. I have not been able to find a reference for the 34-7. This engine suffers from random derates. Timing sensors, harness & ECM have been addressed.
ZEZ AUTO > Heavy Vehicles > Heavy Vehicle Tuning > CAT CODE 34-7