Intermittent electrical issues
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Laughing Gas
Joined: Jan 2017
Posts: 1,221
Likes: 94
Intermittent electrical issues
As of late when driving the truck at any given time the speedometer and tach will drop to 0. The check engine light comes on and throttle is non responsive. While the engine appears to run consistent minus losing throttle command. I put the truck in neutral to coast further, scan for a landing spot and tap the pedal when it happens. This has occurred around 6 times in the past 2 months and does not last over 10 seconds. Initially I thought it was the ICP unfortunately the issue occurred with the ICP unplugged. The ICP was replaced anyways as she was tired. Unfortunately, some of these symptoms were similar to when my pcm went out. Not too sure what steps to take next. Any help is appreciated and thanks for the replies.
2002 truck
2002 truck
Lead Driver
Joined: Oct 2005
Posts: 6,129
Likes: 1,919
From: Ponca City, OK
Have you double checked the bolts to the PCM connector and 42 pin are snug? Battery connections, main power and grounds all clean and tight? Do the 02's still have a PCM diode in the fuse panel? If so how's it for clean and fit?
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,352
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From: Lake Hartwell, GA
Need to hook it to a scan tool and log data.
Does the check engine light come on when the RPM and speedometer drop to 0?
Check what udsuth78 said to check.
Does the truck remain running or does everything shut off or act like the key is moved to the ON position?
Do you have a chip, if so make sure it is fully seated.
Does the check engine light come on when the RPM and speedometer drop to 0?
Check what udsuth78 said to check.
Does the truck remain running or does everything shut off or act like the key is moved to the ON position?
Do you have a chip, if so make sure it is fully seated.
Logistics Pro
Joined: Oct 2011
Posts: 3,953
Likes: 120
From: Mcdonough, GA
Automatic or manual tranny? Maybe shifter wire on the column is getting chaffed but hasn't blown the fuse yet? Also check for loose fuses. Will need to see which ones for a 2002.
Edit: after a quick search I believe fuse 45 feeds throttle and cluster. Can pull it to verify. Check for condition, security.
Edit: after a quick search I believe fuse 45 feeds throttle and cluster. Can pull it to verify. Check for condition, security.
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Laughing Gas
Joined: Jan 2017
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Likes: 94
I checked the batteries they are good. Hopefully about to check the rest of the requested components today. When it occurs the truck just drops to idle and the check engine light comes on. Additionally, my truck has never been the best at keeping the trip going. It will reset back to 0.00 intermittently as well not sure if that's related or not. The odometer is functioning normally. No new codes or issues since my last post. Truck is automatic. Will report back after
checking the pcm connection, fuses etc.
P0603 keep alive memory (very frequently comes up/ could be due to pcm reflash)
P0222Throttle/Pedal Position Switch/Sensor B Circuit Low Input
checking the pcm connection, fuses etc.
P0603 keep alive memory (very frequently comes up/ could be due to pcm reflash)
P0222Throttle/Pedal Position Switch/Sensor B Circuit Low Input
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dwill49965
1983 - 2012 Ranger & B-Series
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Feb 18, 2005 03:06 PM
