Detroit DD16 EPA07 (2007-09) Fault Code: SPN 523 FMI 19 (MCM, CPC) Transmission Current Gear Signal is Erratic
NOTE: Please see the step by step troubleshooting procedures for this specific code.
PROBABLE CAUSES:
1. If any codes related to battery voltage are present, fix those first.
2. If 625-9 present, troubleshoot that instead.
3. If any engine modules have been programmed recently, check configuration.
4. Another computer module on the truck (ABS, transmission, cab, etc…) has a failure that is causing this.
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![DOOSAN DMS-5 3.1.3 [2023.11] diagnostic software](https://www.ecuforcetruck.com/wp-content/uploads/2023/11/1-300x300.png)
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2021 VOLVO PREMIUM TECH TOOL PTT V2.8.21 VCADS+DEVELOPER TOOL+APCI 2021/09 ( 1 PC )
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