96-up 6.5 OBD-II DTC code list - TheDieselGarage.com
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post #1 of 8 (permalink) Old 11-05-2006, 03:48 PM Thread Starter
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96-up 6.5 OBD-II DTC code list

P0101 -- Mass Air Flow (MAF) System Performance
P0102 -- MAF Sensor Circuit Low Frequency
P0103 -- MAF Sensor Circuit High Frequency
P0112 -- Intake Air Temperature (IAT) Sensor Circuit Low Voltage
P0113 -- IAT Sensor Circuit High Voltage
P0117 -- Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
P0118 -- ECT Sensor Circuit High Voltage
P0123 -- Accelerator Pedal Position (APP) Sensor 1 Circuit Performance
P0122 -- APP Sensor 1 Circuit Low Voltage
P0123 -- APP Sensor 1 Circuit High Voltage
P0126 -- Insufficient ECT for Stable Operation
P0182 -- Fuel Temperature Sensor Circuit Low Voltage
P0183 -- Fuel Temperature Sensor Circuit High Voltage
P0215 -- Engine Shut-Off Control Circuit
P0216 -- Injection Timing Control Circuit
P0219 -- Engine Over-speed Condition
P0220 -- APP Sensor 2 Circuit
P0221 -- APP Sensor 2 Circuit Performance
P0222 -- APP Sensor 2 Circuit Low Voltage
P0223 -- APP Sensor 2 Circuit High Voltage
P0225 -- APP Sensor 3 Circuit
P0226 -- APP Sensor 3 Circuit Performance
P0227 -- APP Sensor 3 Circuit Low Voltage
P0228 -- APP Sensor 3 Circuit High Voltage
P0231 -- Fuel Pump Feedback Circuit Low Voltage
P0236 -- Turbocharger Boost System
P0237 -- Turbo Boost Sensor Circuit Low Voltage
P0238 -- Turbo Boost Sensor Circuit High Voltage
P0251 -- Injection Pump Cam System
P0263 -- Cylinder 1 Balance System
P0266 -- Cylinder 2 Balance System
P0269 -- Cylinder 3 Balance System
P0272 -- Cylinder 4 Balance System
P0275 -- Cylinder 5 Balance System
P0278 -- Cylinder 6 Balance System
P0281 -- Cylinder 7 Balance System
P0284 -- Cylinder 8 Balance System
P0300 -- Engine Misfire Detected
P0301 -- Cylinder 1 Misfire Detected
P0302 -- Cylinder 2 Misfire Detected
P0303 -- Cylinder 3 Misfire Detected
P0304 -- Cylinder 4 Misfire Detected
P0305 -- Cylinder 5 Misfire Detected
P0306 -- Cylinder 6 Misfire Detected
P0307 -- Cylinder 7 Misfire Detected
P0308 -- Cylinder 8 Misfire Detected
P0335 -- Crankshaft Position (CKP) Sensor Circuit
P0370 -- Timing Reference High Resolution
P0380 -- Glow Plug Circuit Performance
P0400 -- Exhaust Gas Recirculation (EGR) Flow Malfunction
P0401 -- EGR Flow Insufficient
P0402 -- EGR Flow Excessive
P0404 -- EGR System Performance
P0405 -- EGR Sensor Circuit Low Voltage
P0406 -- EGR Sensor Circuit High Voltage
P0501 -- Vehicle Speed Sensor Circuit (VSS)
P0567 -- Cruise Resume Circuit
P0568 -- Cruise Set Circuit
P0571 -- Cruise Brake Switch Circuit
P0601 -- Internal Control Module Memory
P0602 -- Control Module Programming
P0604 -- Control Module RAM Check Sum
P0606 -- PCM Internal Communications Interrupted
P1125 -- Accelerator Pedal Position System
P1191 -- Intake Air Duct Leak
P1214 -- Injection Pump Timing Offset
P1216 -- Fuel Solenoid Response Time Short
P1217 -- Fuel Solenoid Response Time Long
P1218 -- Injection Pump Calibration Circuit
P1406 -- EGR Valve Position
P1409 -- EGR Vacuum System Leak
P1621 -- EEPROM Write
P1626 -- Vehicle Theft Deterrent (VTD) Controller Serial Data Circuit
P1627 -- A/D Performance
P1630 -- Theft Deterrent PCM in Learn Mode
P1631 -- Theft Deterrent Password Incorrect
P1635 -- 5 Volt Reference Low
P1641 -- Malfunction Indicator Lamp (MIL) Control Circuit
P1643 -- Wait To Start Lamp Control Circuit
P1653 -- EGR Vent Solenoid Control Circuit
P1654 -- Service Throttle Soon Lamp Control Circuit
P1655 -- EGR Solenoid Control Circuit
P1656 -- Wastegate Solenoid Control Circuit
U1026 -- Loss of ATC Class 2 Co

It is my understanding that you need to have a simple code reader to see these codes. I think they are pretty much available at any auto parts store nowadays. They plug into the diagnostic port located under the steering column area.

If anyone has updated codes or more info on reading them, feel free to post the info, or PM a moderator to have it added to the post.
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post #2 of 8 (permalink) Old 06-28-2007, 03:27 AM
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HELP! 98 6.5 w/po251 code

Hello, This is my first time here. I have a 98 Chev w/6.5.it,s got a po251 code.Autozone read it as "injection pump fuel metering control-A-,You say it,s a injection pump cam problem. Can you help with how to cure this problem? Thanx!!
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post #3 of 8 (permalink) Old 07-15-2007, 01:18 AM
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with what thing watch these codes ???

this ???

http://www.ssdieselsupply.com/produc...der_OBDII.html


?
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post #4 of 8 (permalink) Old 07-15-2007, 10:54 PM
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Quote:
Originally Posted by F.B.I
with what thing watch these codes ???

this ???

http://www.ssdieselsupply.com/produc...der_OBDII.html


?
any answer ?
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post #5 of 8 (permalink) Old 07-16-2007, 09:20 PM
is here and there.
 
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from the little bit I read on the site you provided it should read those codes.

Life changes, so roll with it, not against it.
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post #6 of 8 (permalink) Old 07-17-2007, 09:51 PM
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Quote:
Originally Posted by Rcannon
from the little bit I read on the site you provided it should read those codes.
sorry, but i dont understand you:shrug:

CHEVY SUBURBAN 6.5 TURBO DIESEL
CJ-8 LBZ DURAMAX
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post #7 of 8 (permalink) Old 08-23-2009, 05:24 PM
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# 17 high resolution circuit fault

How would I figure out what this fault really is?
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post #8 of 8 (permalink) Old 11-09-2009, 12:52 AM
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Any OBD2 code reader will work on a 96+ but all it will do is just that..READ CODES. You will need the above chart to decipher them as the generic code readers may show the # as something else. If you want bi directional capabilty such as setting TDCO to my knowledge the following products will work(listed in order best to "will work":
GM Vetronix Tech 2(Big Bux)
Autoenginuity(I have heard this is the best low cost tool availible for the 6.5 OBD2)
Car Code(never used it but supposed bi directional with 6.5TD)
Snap ON MT2500(it works but give false readings. You have to know what the difference is on the timing #s)
That is it for bi directional AFAIK.

1986 CUCV....M1008 6.2 NV4500 5 spd
Raptor 100 LP. Serp belt conversion. 5 inch redneck master exhaust. DB2831 IP. Dmax fan. Humvee waterpump.

1981 AM General M35A2c

Lee's Auto Ranch In Ellington CT SUCKS !!
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