Question about 2002 Dodge Grand Caravan

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Open CCD bus line

I have code p1698 on the van and trany not shift

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Posted on May 20, 2010

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SOURCE: i have code p1698 says it might be na ccd message

Transmission control module failure. very common failure. On the transaxle right on the front when you open your hood . That module has been updated. That is the one that failed. before you replace it look along the wire leading from it is it disconnected did battery corrosion from the terminal corrode it, .That is where communication to the transmission control takes place

Posted on Apr 22, 2011

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SOURCE: open ccd bus line on a 1999 grand caravan

That's normal for Chrysler minivans. Clear the code and don't worry about it unless it happens again.

I’m happy to assist further over the phone at

Posted on Aug 09, 2012

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I'm getting no guages & no bus code on odometer. Its a 99 Cherokee sport. I put a scanner on it & it had 2 codes. I can't find them in my book or jeep forum. The codes are #1- P1698 & #2- P1694.

P1698 Jeep P1698 Jeep - ECM Fault No CCD Message From TCM Repair Importance Level: 3/3 Repair Difficulty Level: 3/3 alt="What does this mean?"> Share alt="Share on Facebook"> alt="Share on Twitter"> alt="Share on Linkedin"> alt="Share on Google Plus"> alt=""> alt="Print Version"> alt="PDF Print"> alt="Share Code"> alt="P1698 Jeep Comments"> ' Add Comment alt="Close Selection"> Forum Code Possible causes - Faulty Engine control Module (ECM)
- Engine control Module(ECM) harness is open or shorted
- Engine control Module (ECM) cicuit poor electricl connection
- Low battery voltage
alt="What does this mean?"> What does this mean? Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P1698 Jeep Description Engine control Module (ECM) unable to communicate with Transmission Control Module (TCM)

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Here is P1694

Code P1694

Dec 09, 2015 | Jeep Cars & Trucks

1 Answer

Why is my radiator over heating? Replaced , side cracked, replaced thermostat. Still over heat.

DId you run engine with rad cap off for a long time while refilling radiator and also, have heater turned on while doing it?

Oct 02, 2014 | 1999 Plymouth Voyager

1 Answer

Open ccd bus line on a 1999 grand caravan

That's normal for Chrysler minivans. Clear the code and don't worry about it unless it happens again.

I’m happy to assist further over the phone at

Aug 09, 2012 | 1999 Dodge Grand Caravan

1 Answer

What is p1698 and how do i fix it?

Trouble Co Power Control Module A module or computer used in an electronic transmission to aid in control of the shift solenoidsde: P1698

No CCD Messages Received From The TCM
Possible Causes:

CCD data Bus circuit is open, shorted to ground or to power TCM or the PCM has failed

Jun 03, 2012 | 2002 Chrysler Town & Country

2 Answers


The description for fault code P1698 is "No CCD Messages Received From PCM" The CCD bus is the circuit that your computer system uses to communicate between the computers. There are several Computers in your vehicle. You didn't mention year or model or engine size, so I can't be specific, but most have at least an Powertrain Control Module (PCM) computer, Transmission Control Module (TCM) computer, an Antilock Brake System (ABS) computer, a Passive Restraint (Air Bag) computer and the Instrument Panel Cluster (IPC) when one of these computers are unable to communicate through the CCD Bus, the other computers will tell on it. Thus, code P1698.

This can be an internal fault in the PCM (not very likely) it can be a shorted or open CCD Bus circuit, or it could be caused by the PCM losing one of its power or ground circuits and momentarilly shutting down. If your instrument cluster is also having problems like you described, the problem is most likely a power or ground circuit malfunction. The rest of your computers need to be scanned to assist in pinpointing the actual cause of this code. The "Generic OBD" scanners that they use to sell parts with at the auto parts stores do not have the capability to scan your ABS, IPC, Air Bag, or other modules. They can also not access the "Vehicle Specific" side of your PCM. They can only scan the "Generic" codes that are output by the PCM. Again, this is most likely caused by an open or shorted circuit or even a malfunctioning ignition switch - something is most likely causing the PCM, the TCM or the IPC to lose power while you are driving.

You may also find this article helpful: What Else Could Be Wrong?

May 10, 2011 | Plymouth Grand Voyager Cars & Trucks

3 Answers

Can you please tell what are these codes for 1997 dodge caravan sport.p1698 and p1495.

P1698 Chrysler

ECM fault-No CCD message from TCM
- Failed ECM

Probable Cause[s]

  1. Open CCD bus line
  2. Failed TCM
P1495 Chrysler

EVAP leak detection pump solenoid circuit condition
- ECM detected the pump solenoid did not change status when activated

Probable Cause[s]

  1. Pump solenoid defective
  2. Open or shorted circuit condition
  3. ECM Defective

Feb 08, 2011 | 1997 Dodge Caravan

1 Answer

Im getting the codes p1698 and p0442 on my 1998 dodge caravan. i know they are auxiliary inputs and outputs and evap emission control system leak but i dont know how to fix this or even what they mean. can...

Okay, lets start with the po442, evap small leak detected, this may be as simple as a bad gas cap, but can also be a cracked hose in ther evap lines ar a vent valve not closing, check the vacuum hose for cracks from the purge valve in engine compartment ,a smoke machine would be very helpful in finding the leak. next is the p1698 this code is when the communication bettween the computers and theres no contact, the tcm (trany control module) is not responeding, this be be due to a bad module or broken wire or blown fuse. start by checking the fuses all of them, then check the connection on the module, this module is bolted to side of the trany , if you open the hood and look to the left and down you will see it its next to the trany lines going to trany, this module often goes bad and leaks trany oil at times.

Dec 07, 2010 | Dodge Caravan Cars & Trucks

2 Answers

Wat is a code p 1698

p169 is "no ccd bus mesages recieved" that means the engine OR trans computer has not seen any communication (called a BUS) from the other modules on the communication bus if the instrument cluster is not working then it is the source of the code if the car wont shift then there is a communication issue with the trans computer if it wont start then there is a problem with the engine computer communication this is usually set by a bad instrument cluster

May 18, 2010 | 1998 Dodge Caravan

1 Answer

Code p1698 town & country 96 fail the emission test

p1698 code=No CCD message from TCM or No Transmission Bus Messages
It means the person's computer could not connect with's possible it was his problem if your not having any issues

Dec 04, 2009 | 1996 Chrysler Town & Country

3 Answers

1999 Dodge Caravan posts trouble code 1698 - "no CCD messages received from PCM. What might the problem be? The "check engine" light has come on - sometimes but posts NO code when read and...

The p1698 code is for the (bus) that is how the computers commmunicate with each other and also how the scan tool talks to the computers.

There is a common problem with these vans, that would be a good place to start. The battery will leak acid onto the wires underneath the battery. If you remove the battery and battery tray you will be able to see the large wiring harness under the battery. Inspect all of the wires underneath the battery for damage.

Jul 19, 2008 | 2005 Dodge Caravan

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