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2000 Dodge Ram 2500 5.9L MIL Lamp on
Posted to Chrysler Driveability on 4/7/2011 6 Replies

1. My question is what tells the pcm to turn the fuel supply pump on the inj pump or ecm. Because I'm loosing power to the supply pump intermitantly at start up. I cycle the key and once in a while the pump will not run for the 25 seconds like it should .2. Wh...

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  Related Documents & Media  2000 Dodge Ram 2500

 
Message Closed w/FIX

car Vehicle Data

2000 Dodge Ram 2500

VIN 3B7KF2364Y
Engine5.9 L / 6 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P1689No Communication Between ECM And Injection Pump Module
Message Closed w/FIX

car Vehicle Data

2000 Dodge Ram 2500

VIN 3B7KF2364Y
Engine5.9 L / 6 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P1689No Communication Between ECM And Injection Pump Module