Overdrive light was flashing, not now - Diesel Forum - TheDieselStop.com
'99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 11-12-2019, 01:00 PM Thread Starter
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Overdrive light was flashing, not now

I started the truck yesterday to move it, and before it was really warmed up (granted, it was like 55 degrees out), I tried to drive it up a slight incline.
The motor kind of loped, then the Overdrive Off light started to flash.
I parked the truck, and restarted it, and the Overdrive Off light was NOT flashing.

Any ideas?

My CEL bulb is burned out, so I don't even know if I have a code.

Opening the dash this week to change out the bulbs.

2001 F-350, 7.3L, Crew Cab, 4x4, Dually.
202,000 miles, and going strong.
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Old 11-12-2019, 01:58 PM
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My idea would be to read the codes. When the OD light flashes it stores codes in the computer. The codes will stay there until manually cleared, or approximately one month, whichever comes first. The places that read codes free CANNOT read these codes. You need either a Forscan setup (less than $30,) or a good independent shop, or a Ford dealer to read the codes.

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Old 11-13-2019, 06:30 PM Thread Starter
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Autozone pulled a p1247 code. Turbo related.

2001 F-350, 7.3L, Crew Cab, 4x4, Dually.
202,000 miles, and going strong.
4" Turbo Back MBPR Exhaust
S&B Cold Air Intake
DP-Tuner F5 Chip
6.0 Trans Cooler

It likes to pull a 44' 3" 2016 XLR Thunderbolt 420AMP Toy Hauler
ISSPRO 3 gauge (pyro, boost, trans) pillar install.
Located on Long Island, NY
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Old 11-13-2019, 08:18 PM
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Quote:
Originally Posted by kench View Post
Autozone pulled a p1247 code. Turbo related.
You should have read this:
Quote:
Originally Posted by Mark Kovalsky View Post
My idea would be to read the codes. When the OD light flashes it stores codes in the computer. The codes will stay there until manually cleared, or approximately one month, whichever comes first. The places that read codes free CANNOT read these codes. You need either a Forscan setup (less than $30,) or a good independent shop, or a Ford dealer to read the codes.
That code did not flash the OD OFF light. The code that did is still in memory. We won't know what needs attention without that code.
jleedog likes this.

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Old Today, 08:20 AM Thread Starter
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I had my mechanic pull the code, and it is the turbo code.
He cleared it yesterday, hopefully it doesn't come back.
I'm makeing 15 lbs of boost pulling my loaded 2 place snowmobile trailer up hill at 60 mph, so hopefully it was just an errant code from trying to force the truck to move uphill before she warmed up.

2001 F-350, 7.3L, Crew Cab, 4x4, Dually.
202,000 miles, and going strong.
4" Turbo Back MBPR Exhaust
S&B Cold Air Intake
DP-Tuner F5 Chip
6.0 Trans Cooler

It likes to pull a 44' 3" 2016 XLR Thunderbolt 420AMP Toy Hauler
ISSPRO 3 gauge (pyro, boost, trans) pillar install.
Located on Long Island, NY
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Old Today, 09:19 AM
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Quote:
Originally Posted by kench View Post
I had my mechanic pull the code, and it is the turbo code.
He cleared it yesterday, hopefully it doesn't come back.
Once again, that code did not flash the OD OFF light. The code that did is still in memory. We won't know what needs attention without that code.

Mark
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Old Today, 09:48 AM Thread Starter
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Quote:
Originally Posted by Mark Kovalsky View Post
Once again, that code did not flash the OD OFF light. The code that did is still in memory. We won't know what needs attention without that code.
The only code that he saw was the turbo code.
Do you think his scanner wasn't capable of seeing the OD flashing code?

I'll look into the ForScan tool.

2001 F-350, 7.3L, Crew Cab, 4x4, Dually.
202,000 miles, and going strong.
4" Turbo Back MBPR Exhaust
S&B Cold Air Intake
DP-Tuner F5 Chip
6.0 Trans Cooler

It likes to pull a 44' 3" 2016 XLR Thunderbolt 420AMP Toy Hauler
ISSPRO 3 gauge (pyro, boost, trans) pillar install.
Located on Long Island, NY
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Old Today, 03:25 PM
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I know his scanner wasn't capable of reading transmission codes. Turbo codes do not make the OD light flash. Only transmission codes can do that.

Mark
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