Cummins ISB6.7 CM2150 (2007-09) Fault Code: 596 PID: 167 SPN: 167 FMI: 0 Electrical Charging System Voltage – Data Valid But Above Normal Operating Range – Moderately Severe Level. High battery voltage detected by the battery voltage monitor feature.

Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, calibrate the ECM.

This fault code is part of the Alternator Failure Warning feature. The ECM can increase idle speed and deactivate the idle decrement switch if idle speedup is enabled. View the Alternator Failure Warning feature settings with INSITE™ electronic service tool. Disabling the Alternator Failure Warning feature will also disable this fault code.

Make sure the ECM battery supply (+) is coming directly from the battery and not the starter.

Possible causes:

1)Overcharged batteries caused by a malfunctioning alternator or regulator.

Possible repairs:

1)Tighten the battery connections and clean the battery terminals.
2)Charge or replace the battery.
3)Repair or replace the alternator, regulator, and/or OEM wiring to the alternator.

Categories Cumminz, DTC TRUCKS, ISB6.7 CM2150 (2007-09) Tags 2007-09, Above, Battery, But, by, Charging, CM2150, Code596, Cummins, Data, Detected, Electrical, Fault, feature., FMI0, High, ISB6.7, Level, Moderately, monitor, Normal, Operating, PID167, Range, Severe, SPN167, System, the, Valid, Voltage

CAT ET 2021A (Caterpillar Electronic Technician) + Factory Password (1 PC )
CAT $65.00
Rated 0 out of 5
Allison DOC Premium 2023
Allison $96.00
Rated 0 out of 5
Isuzu US-IDSS 2024 Diagnostic
ISUZU $220.00
Rated 0 out of 5
Hino DX3 2025 Diagnostic Software
Hino $95.00
Rated 0 out of 5
ISUZU G-IDSS Domestic Japan 2024 Diagnostic Software
ISUZU $220.00
Rated 0 out of 5

Noregon JPRO Commercial Fleet Diagnostics 2017 v3
JPRO $35.00
Rated 0 out of 5
Volvo PROSIS Offline 2019 Parts Catalog Installation Service
Trucks software $45.00
Rated 0 out of 5
International Truck ISIS – Oncommand Service Information Q4.2020 [04.2020]
Navistar $85.00
Rated 0 out of 5
Caterpillar CAT ET 2021B Electronic Technician + Factory Password (1PC)
CAT $75.00
Rated 0 out of 5
DOWNLOAD NISSAN UD DIESEL PC-CONSULT DIAGNOSTIC 1.1.13 & PC-REPROMASTER 1.2.0
NISSAN UD $100.00
Rated 0 out of 5
DETROIT DDDL 8.14 SP3 – Detroit Diesel Diagnostic Link 8.14 SP3 2021 ( 1PC )
Detroit $73.00
Rated 0 out of 5
JOHN DEERE SERVICE ADVISOR 5.3.225 DATABASE AG + CF ENGLISH 2023
John Deere $250.00
Rated 0 out of 5
CAT SIS caterpillar 2021 Full Service Dealer
CAT $90.00
Rated 0 out of 5
Cumming Caltem 5.9.1 2022 ( 1 PC )
cummisznn $78.00
Rated 0 out of 5
CAT ET Electronic Technician 2019C
CAT $40.00
Rated 0 out of 5
Perkins SPI2 2018A Dealer Parts and Service
Perkins $50.00
Rated 0 out of 5
CLAAS MetaDiag 2007 Update 2016
CLAAS $200.00
Rated 0 out of 5
Diamond Logic Builder DLB 2019 Database 2019
Navistar $50.00
Rated 0 out of 5
Detroit Diesel Diagnostic Link DDDL 6.50 ( software trucks )
Detroit $20.00
Rated 0 out of 5
Hino Diagnostic eXplorer 2 – Hino DX2 1.1.19.1 with keygen unlocked ( Hino trucks )
Hino $50.00
Rated 0 out of 5

SERVICE MANUAL BOBCAT 435 SMS
BOBCAT $56.00
Rated 0 out of 5
SERVICE MANUAL HINO FD.FE.FF.SG 2019
HINO $40.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 630-631-632 sms
BOBCAT $45.00
Rated 0 out of 5
Allison 1000 and 2000 Series Gen 4 (2005-11) Service manual
Allison $10.00
Rated 0 out of 5
SERVICE MANUAL EPA04 Series 60 Turbocharger Actuator Replacement
DETROIT $28.00
Rated 0 out of 5
SERVICE MANUAL HINO FD.FE.FF.SG 2003
HINO $37.00
Rated 0 out of 5
SERVICE MANUAL DETROIT DIESEL DD15 , DD13 Service Workshop Repair Manual
DETROIT $25.00
Rated 0 out of 5
SERVICE MANUAL HINO FD.FE.FF.SG 2017
HINO $36.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 329 sms
BOBCAT $55.00
Rated 0 out of 5
MANUAL SERVICE DEUTZ AGROLUX F50-F60-F70-F80
DEUTZ $25.00
Rated 0 out of 5