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2008 GMC Savana 3500 6.0L MIL Lamp on, Oil psi gauge inop
Posted to GM Driveability on 2/1/2020 11 Replies

I have a van with P0523 code (constant). The oil psi gauge is inoperable. Ground wire at sensor ohms out good, 5 volt reference at sensor is [...] oil psi sensor = no change. Jumper 5v reference to signal wire pegs oil psi gauge. I believe the signal wire ...

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  Related Documents & Media  2008 GMC Savana 3500

 
Message Closed w/Summary

car Vehicle Data

2008 GMC Savana 3500

VIN 1GTHG35K58
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Oil Psi Gauge Inop
OccursAlways

Trouble Codes

P0523Oil Pressure Voltage Too High
Message Closed w/Summary

car Vehicle Data

2008 GMC Savana 3500

VIN 1GTHG35K58
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Oil Psi Gauge Inop
OccursAlways

Trouble Codes

P0523Oil Pressure Voltage Too High