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Surging, High Voltage, High Idle

24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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Surging, High Voltage, High Idle

  #1  
Old 12-03-2014, 09:53 PM
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Default Surging, High Voltage, High Idle

Hi I have a 2001 Dodge Ram 2500 Cummins 5.9 Turbo Diesel With Edge. She Just Fell on her Face..LOL
She went into "limp Mode" Check Engine Light came on.Has "run away" Idle Now with 7 Codes: Change out the TSP Sensor.:

P0238-Map Sensor Voltage too high
P0118-Engin coolant temp sensor voltage too high
P0563-Charging system voltage too high
P0123-Accelotor Peddle position sensor voltage too high
P0121-Accelotor Peddle position sensor volts do not agree with validation sensor
P0606-ECM Failure
P01475-Auxluary Voltage too high
P037-Map Sensor too high

I'm at my whits end. Any and all help would be appreciated.

Thank You
 
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Old 12-04-2014, 08:00 AM
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Checked all fuses and relays?

Changing system working correctly? Or can it idle without running away to check?

Battery connections, grounds, etc?
 
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Old 12-04-2014, 08:49 AM
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Thanks,


Will Idle for 1 minute. then it starts surging.i have to check the charging system in the morning. Battery's are both good, no corrosion I checked 5 or 6 grounds loosed & tightened.
Still Have to check out the relays & Charging system.
Thanks For your Help it is greatly appreciated .
 
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Old 12-08-2014, 11:24 PM
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Two things I can think of are removing your serpentine belt or removing the alternator fusible link. I wouldn't do either for long. I'm sure someone will chime in on whether removing the fusible link could damage anything (from the alternator not having a connection to charge with).
 
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Old 12-11-2014, 09:49 PM
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Disconnected the alternator, I have the TPS set correct, Same surge, I believe there might be a short for the ECM ot the ECM is bad. Thanks for you Help. Any and all advise is greatly appreciated.
 
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Old 01-05-2015, 08:22 PM
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Default help? I dont want to take it to dodge

Please help
 
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Old 01-05-2015, 11:30 PM
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Looking at the manual, the codes showing sensor issues do not have many shared grounds. Most are individual grounds to the ECU itself. It tricky to get to to, but have a look at the connectors to the ECU. Drivers side of the engine, mounted to the side of the block. I'm almost certain it is a ground problem, if not an ECU problem.
 
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Old 03-03-2016, 03:18 PM
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did the regulator ex but my voltage spikes up
 
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Old 10-07-2016, 03:09 AM
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Default 2004 duramax lb7

I'm looking at buying a 2003 lb7 3500 duramax 4x4 it has 260000 miles the man wants $6000 really clean truck what do y'all think? Good deal?
 
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Old 01-11-2019, 10:43 PM
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Originally Posted by john grossman View Post
Hi I have a 2001 Dodge Ram 2500 Cummins 5.9 Turbo Diesel With Edge. She Just Fell on her Face..LOL
She went into "limp Mode" Check Engine Light came on.Has "run away" Idle Now with 7 Codes: Change out the TSP Sensor.:

P0238-Map Sensor Voltage too high
P0118-Engin coolant temp sensor voltage too high
P0563-Charging system voltage too high
P0123-Accelotor Peddle position sensor voltage too high
P0121-Accelotor Peddle position sensor volts do not agree with validation sensor
P0606-ECM Failure
P01475-Auxluary Voltage too high
P037-Map Sensor too high

I'm at my whits end. Any and all help would be appreciated.

Thank You
Were you ever able to confirm that the ECM was bad?
 

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