Question about 1998 Dodge Grand Caravan

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1998 dodge caravan stalls intermittently.is asd or grounds the problem? how do I remove the relay/s in the fuse box?

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Did you clean the throttle body? if not clean it. its the number one cause of low engine speed stalling

Posted on Apr 27, 2010

Testimonial: "that`s been the problem on my other slugs along with the IAC Motor that they ripped me off for and then the big Kahuna the computer.Swap it all. "

  • dougbender51 Apr 28, 2010

    in the 30 years ive worked on cars i have changed two of the style of iac motors that have been around since about 1990. only one of them required replacing. the first one was my rooky mistake in early 90s. sadly 99% of modern cars idle problems are caosed by dirty throttle bodys and most of them escape even dealership techs. i know because in the ten years at a chrysler/vovl/kia/jeep dealer i had to rediagnose hundeds of them

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1 Answer

1996 dodge caravan stalled when put foot on gas will not start clicking sound when key turned


Clicking sound means dead battery!!! Could be bad connection to battery or bad ground from battery also.

Feb 16, 2015 | 1996 Dodge Caravan

1 Answer

Code p1388


possible reasons for the code:

- Faulty ASD Relay

- Faulty CNG Relay
- ASD or CNG Relay harness is open or shorted
- ASD or CNG Relay circuit poor electrical connection
- ASD or CNG Relay poor ground or supply voltage condition

Sep 17, 2012 | 2001 Dodge Grand Caravan

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I have a 2003 dodge dakota. 4.7l. I get codes p0685 and p0688. No start no spark. Relay is good. But voltage drops when using a voltage meter on one of the grounds in the pdc. Any live wire and that ground...


P0685 DODGE - Auto Shutdown Relay Control Circuit Failure
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)

Possible causes - ASD relay circuit is open or shorted
- Failed Auto Shutdown relay
- Failed ECM
Tech notes Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. P0685 DODGE Description Short or open in Auto Shutdown (ASD) relay circuit

P0688 DODGE - Auto Shutdown Relay Control Circuit Low
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)

Possible causes - ASD relay circuit is open or shorted
- Failed Auto Shutdown relay
- Failed ECM
Tech notes Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. P0688 DODGE Description The Front Control Module (FCM) has detected the supply voltage below an acceptable value

Jun 24, 2011 | 2003 Dodge Dakota Club Cab

1 Answer

I have a 1998 Dodge Caravan 2.4L 4cyl. It will occasionally just stall out while driving. No hesitation or bucking occurs prior. I then pull over and am able to immediately start it right back up like...


It does have an ASD relay. It will be in the power distribution center under your hood. Here is a picture of the fuse box with the ASD relay. Hope this helps, PLEASE RATE!!! :)) James Booth2008-08-10_230302_shot0571.jpg

May 20, 2011 | 1998 Dodge Caravan

1 Answer

Wont start/wont crank over/no power to small wire on starter


check fuses for ignition fuse and ASD relay in fuse box under hood

Nov 27, 2010 | 1998 Dodge Grand Caravan

1 Answer

I can't find the IOD fuse in my caravan - when I remove the relay/fuse cover none are labelled IOD - could it be called something else.


it may have a small cover over it. it should be right beside the ASD relay in the fuse box under the hood.

Oct 08, 2009 | 1998 Dodge Caravan

1 Answer

Engine won't start


Sounds like an AUTOMATIC SHUTDOWN (ASD) RELAY problem. Fairly common on the Caravan.
Heres a brief overview of the ASD.
The Powertrain Control Module (PCM) operates the Auto Shutdown (ASD) relay by switching the ground path on and off.
The ASD relay supplies battery voltage to the fuel injectors, electronic ignition coil and the heating elements in the oxygen sensors.
The PCM controls the relay by switching the ground path for the solenoid side of the relay on and off. The PCM turns the ground path off when the ignition switch is in the Off position unless the 02 Heater Monitor test is being run. Refer to On-Board Diagnostics. When the ignition switch is in the On or Crank position, the PCM monitors the crankshaft position sensor and camshaft position sensor signals to determine engine speed and ignition timing (coil dwell). If the PCM does not receive the crankshaft position sensor and camshaft position sensor signals when the ignition switch is in the Run position, it will de-energize the ASD relay.
The ASD relay is located in the Power Distribution Center (PDC). The PDC is located on the driver's side inner fender well Power Distribution Center . A label on the underside of the PDC cover identifies the relays and fuses in the PDC
Check for good ground.
Good luck...i hope this helps, please rate me a fixya.

Jun 25, 2009 | 1994 Dodge Caravan

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