Question about 2005 Dodge Ram

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HELLO I HAVE THIS CODES PCU P1693,ECU P1689.P0126. P230

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  • Dodge Master
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CODE PO126 - INSUFFICIENT COOLANT TEMPERATURE FOR STABLE OPERATION. CHECK FOR LOW COOLANT LEVEL.FAULTY THERMOSTAT STUCK OPEN.OR MISSING THERMOSTAT.FAUTY COOLANT TEMPERATURE SENSOR. CODE PO230 - FUEL PUMP PRIMARY CIRCUIT MALFUNCTION.POSSIBLE CAUSE FAULTY FUEL PUMP RELAY.OR PCM CIRCUIT FAILURE TO FUEL PUMP RELAY. DID NOT SEE CODES P1693 AND P1689.

Posted on Sep 28, 2010

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Posted on Jan 02, 2017

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HELP ME PLEASE!!!! I have an 2001 dodge deisel 5.9 24v 5spd wit a Edge im getting codes p1693 p1687 only one p done what do they mean and how can i fix them myself????


  • P1693 - DTC Detected in PCM
  • P1693 - Indicates a fault code has been generated in the companion engine control module.
  • P1687 No Cluster BUS Message or No Messages from the Mechanical Instrument Cluster

    not sure on how to fix them though


Aug 23, 2015 | Dodge Cars & Trucks

1 Answer

What causes codes p1594,230,1693 on my 99 dodge Cummins 5.9?


When diagnosing a multi code vehicle, you have to start with the lowest code number first. P0230 is a code for the lift pump circuit. This does not necessarily men the lift pump is bad. It means the circuitry has a problem. It's an electrical issue. Does the vehicle start okay and run?

The second code, P1594, is a code for the alternator is charging at too high of a voltage. You can easily check that by using a meter to check the battery voltage when the vehicle is running. Any over 14 3/4 volts is considered high.

The last code, P1693, is a 'chump code'.c it simply means that there is a code stored in one of the computers in the vehicle. The ECM is probably reading the PCU that has the P1693 because of the codes in the ECM. Anyway, if you get through the first 2, P1693 will stay off when the codes are cleared.

Good luck,
Vinnie

Apr 16, 2015 | Dodge Cars & Trucks

1 Answer

TRUCK WONT START


the P1693 is a companion code ,not a big deal as for not starting are you getting fuel to the injectors prime your filter and try this
I'm going to point out to everyone there is NO WAY to have just a P1693 code present during error code dumping. Yes the P1693 is a companion code and has no really meaning but...

"This code indicates there is more code present in the other computer" So if the P1693 is in the P PCU that means there is more codes present in the P ECU. So if there is a P1693 in the P ECU that means there is more codes present in the P PCU. Then even in rare cases seeing the P1693 code in both computers pointing out that both computers have codes. But there is NO WAY for the P1693 to be the only codes present during error code dump. It's totally impossible!

The reason I'm posting this is because it seem like everyone is cancelling out at the first P DONE thinking its done. WRONG! There is TWO computers in the truck .

P PCU = Powertrain Controller Unit (Passenger side firewall)
P ECU = Engine Controller Unit (Driver side of engine block)

You should always see both P PCU and P ECU displayed and 2 P DONE's in the display. If you want to see a video of this and how to properly do it please reffer to my web site and watch the video I produced so you can give us acurrate information on your problems your having with your truck.As worded by my Cummins certified friend., try http://igotacummins.com/showthread.php/178-P1693-my-trucks-at-it-again-i-think-my-luck-just-ran-out site too ,

Mar 07, 2015 | Cars & Trucks

1 Answer

What are the probable causes of DTC P1689?


That fault code is given as P1689 Delivered Torque Circuit Fault
The link below lists the error codes (but does not provide any further details)
https://www.engine-light-help.com/gm-trouble-codes.html

It obviously relates to the automatic transmission.

Here's a further link that may be of help to you:
http://repairpal.com/my-tc-light-is-on-and-want-go-off-what-can-the-problem-be-717

Apr 04, 2014 | 2003 GMC Yukon Denali

2 Answers

Codes p1571 and p1689 coming up and my t/c light is on and want go off


Google the OBD Codes

2003 GMC Yukon OBD Code P1571 & P1689

Mar 27, 2013 | 2003 GMC Yukon

1 Answer

Having over heating problemsand its idling high


Could be a coolant sensor fault. If the sensor cannot detect the coolant temperature it cannot a) trigger the radiator fan to come on and b) cannot inform the ECU and so the ECU continues the fuel rich injection cycle that is used when the engine is cold and starting up and so the engine continues to idle fast during 'closed cycle'. Check the sensor connection and wiring. If all looks well probe the wires with a voltmeter (if it has 4 wires then the pairs that are diagonally opposed are usually part of the same sensor function). Measure the voltage when engine is cold and again when hot, there should be a difference. If not the sensor is fried and should be replaced. Have the DTCs read from the diagnostics, chances are that some of the codes P0115 -P0119 and P0125, P0126 are logged.

Apr 06, 2011 | 2002 Dodge Stratus

1 Answer

Have trouble codes p1688&p1689


p1688 Internal Fuel Injection Pump Controller Failure, p1689 No Communication Between ECM & Injection Pump Module

Feb 06, 2011 | 1999 Dodge Ram

1 Answer

Got ecu codes p1693,p0232,p0215,p1689,p0230,p1488,p0122,p0522,no start yet


P0232....Fuel Pump Secondary Circuit High


P0230....Fuel Pump Primary Circuit


P0215....Engine Shutoff Solenoid


P0122....Throttle/Pedal Position Sensor/Switch A Circuit Low Input


P0522....Engine Oil Pressure Sensor/Switch Low Voltage

Nov 01, 2010 | 2001 Dodge Ram 2500 Truck

2 Answers

1999 DODGE CUMMINS SHUT DOWN FAULT CODES p1689, p1688


P-1689 NO COMMUNICATION BETWEEN ECM & INJECTION
PUMP MODULE

Jul 21, 2009 | 2000 Dodge Ram 3500

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