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What causes codes U1301 U1040 U1064 and P1626

What causes codes U1301 U1040 U1064 and P1626 all at the same time

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Posted on Jan 02, 2017

  • 407 Answers

SOURCE: theftdeterrent fuel enable signal lost code p1626

replace lock cylinder assm

Posted on Oct 21, 2009

  • 14036 Answers

SOURCE: I have a 2004 Pontiac

CODE PO520 - ENGINE OIL PRESSURE SENSOR SWITCH CIRCUIT MALFUNCTION. CODE P1811 - MAXIMUM ADAPTIVE AND LONG TERM SHIFT CONDITIONS. CODE U1064 - NO COMMUNICATION WITH BODY CONTROL MODULE CONDITIONS. CODE U1301 - CLASS 2 CIRCUIT SHORT TO BATTERY CONDITIONS. TO RESET OIL LIGHT.SWITCH ON THE IGNITION ENGINE OFF.USING MODE BUTTON.SELECT OIL LIFE LEFT HOLD SET TO RESET.THEN PRESS AND HOLD SET BUTTON UNTIL 100% IS DISPLAYED.A CHIME WILL SOUND 3 TIMES AND CHANGE ENGINE OIL DISPLAY WILL EXTINGUISH RESETTING IS COMPLETE.SWITCH OFF IGNITION SWITCH.

Posted on Jan 09, 2011

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04 corvette code P0654 and P0171 and P1626. What do the code mean. Thanks Ray


go to a different dealer these are generic obd ll codes that anyone can scan and get information also if they told you that i would ask for supervisor about it because someone is b/sing p0654
P0654 Chevrolet Engine Speed Output Circuit p0171 http://www.obd-codes.com/p0171 p1626 P1626 Chevrolet Theft Deterrent Fuel Enable Signal Not Received any of these code as you can see are available online in repair manuals etc

Jul 18, 2016 | Cars & Trucks

1 Answer

I have a Pontiac grand am 2000 I'm getting codes u1000 and u1064


U1000 means modules on the data line have stopped seeing communication with a module. U1064 is a communication code for the BCM. It may be faulty or not communicating for some reason. If it has been changed it needs to be programmed.

Sep 03, 2015 | Pontiac Cars & Trucks

1 Answer

U1064


U1064 - Loss Of Communications With DIM

May 20, 2013 | Chevrolet Cars & Trucks

1 Answer

What is the most common cause of service code U1040 in a 2002 Pontiac Grande AM GT?


DTC U1040 indicates that the ABS module is not capable
of sending its state of health message. ( and this makes the ABS Light not flash ) check connections on the Module ...all fuses ...

Possable causes :
Open ABS fuse
Open battery circuit
Open ground circuit
Open serial data circuit
Short to ground in power circuit
ECU malfunction

I found a code chart at another web site.U1040 indicates no serial data communication with ABS module.I checked for wake up signal,it was there.I checked ground connection,it was good.I checked for B+ at module with DVOM and had battery voltage at both pins.I then load tested both B+ terminals and found the circuit was faulty.I went to the 30 amp ABS fuse and did a voltage drop test .I found the female connectors that the fuse plugged in to did not make good connection with the fuse.I bent the fuse pins outward and reinstalled.The ABS module came back on line.This bike has less than 2500 miles on it and this connection is already faulty.Is there a way to look up TSB'S for harley?.Bending the fuse pins is only a temperary fix.If there is no TSB for this problem I'm going to wire in a ATO fuse instead of the mini that Harley uses.The ABS motor draw on every start up appears to be excessive for that mini fuse connector.

Dec 23, 2012 | Cars & Trucks

1 Answer

What does code u1040 mean????


what does u1040, c1298, and c1248 mean for my car?

Oct 16, 2012 | 2002 Pontiac Bonneville

1 Answer

2000 chevy s10 wont keep running many scan codes


Your truck has an antitheft system called passlock. It runs thru you bcm. When this system fails, your truck will start for 1-5 seconds and then stall. The fuel enable is switched off, and injectors fail to squirt. This may be your problem and is a "bypassable" problem. This link explains.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

May 17, 2012 | Cars & Trucks

1 Answer

I took my 2004 Blazer to get a diagnostic check. Two codes came uo U1064 and U1096. What are some solutions to fix this problem? The instrument panel lights stay on after the car has been started and will...


U1064 - Loss of Communications with DIM (Dash Integration Module)
Here is some TSB

Refer to Data Link Connector (DLC) Schematics

Circuit Description
The class 2 serial data line communicates information between modules. Each module connected to the serial data line is assigned a recognition code, or address. This code is used in order to identify which modules are communicating. Modules communicate with each other by periodically sending state of health (SOH) messages. When the ignition switch is in RUN, each module communicating on the serial data line sends a SOH message every 2 seconds. This ensures that the system is operating properly. When the dash integration module (DIM) stops communicating on the class 2 serial data line, the SOH that is normally sent on the serial data line every 2 seconds disappears. The module, which expects to receive that message, detects the absence of the message. The module in turn sets DTC U1064 associated with the loss of SOH of the DIM.

Conditions for Setting the DTC
The module does not receive a state of health (SOH) message back from the DIM. The module retries the request 3 times, and then sets DTC U1064.

This DTC only sets if U1300 or U1301 is not current.
Action Taken When the DTC Sets
DTC U1064 is stored in the module.

The module uses the default values for the initialization data. This DTC does not cause driver warning message to appear.

Conditions for Clearing the DTC
This DTC clears (status changes from current to history) under any of the following conditions:
The module detects a state of health message from the DIM.
At each ignition cycle.
A history DTC clears after 50 consecutive ignition cycles if the conditions for setting the DTC are no longer present.
Current and history DTCs may be cleared using a scan tool.

Diagnostic Aids
DTC U1064 does not normally represent a failure within the module.
When loss of class 2 serial data communication DTCs (DTCs with the letter U as the prefix) are stored as history DTCs, know all possible serial data DTCs set in each module before diagnosing the serial data line.

If U1064 is stored in the module memory, inspect for the same DTC stored in other modules capable of storing this DTC.
If the DTC is a history DTC, the problem may be intermittent.

Test Description: The numbers below refer to the step numbers on the diagnostic table:

U1064 is the result of loss of communication with the dash integration module (DIM). Note that other modules on the class 2 serial data line may also set U1064 if the DIM is not communicating with the serial data line.

Clear all DTCs after the repair procedure is complete.
Step
Action
Value(s)
Yes
No

1
Did you perform the Data Link Communications Diagnostic System Check?
--
Go to Step 2
Go to Diagnostic System Check - Data Link Communications

2
Use a scan tool in order to attempt the establish communication with the dash integration module (DIM).

Does the scan tool communicate with the DIM?
--
Go to Step 3
Go to Diagnostic System Check - Body Control System in Body Control System.

3
Inspect and repair the class 2 serial data line CKT 1807 (PPL) for intermittent connections. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Is the repair complete?
--
Go to Step 4
--

4
Turn off the ignition switch.
Reconnect or install any connectors or components that were disconnected or removed.
Turn on the ignition switch.
Clear any DTCs.
Is the repair complete?



U1096 - Loss of Communications with IPC

The computers on the Chevy require a certain voltage to operate and if the voltage drops below a preset limit then it will tripper a loss of communication with the other modules, this drop in voltage happens when the car is started and the draw on the starter uses a large amount of amperage. I suggest to check power/ground in the instrument cluster and if good do a resistance test on Data wire.

If your car is not experincing any messages like "service vehicle soon" and no warning lights are illuminating then disregard these codes.


Hope helps.

Apr 06, 2011 | Chevrolet Blazer Cars & Trucks

1 Answer

P0218/P0742/P1811/&U1301 Please can someone help me. i have these diagnostic codes for my 2004 chevy venture van LS. i am needing to know what they are and how i can fix them. I would greatly...


CODE PO218 - TRANSMISSION FLUID OVER TEMPERATURE.TRANSMISSION FLUID IS LOW OR CONTAMINATED BURNT OR DIRTY.CHECK TRANSMISSION COOLER LINES FOR DAMAGE OR RESTRICTION. CODE PO742 - TORQUE CONVERTER CLUTCH CIRCUIT STUCK ON. CODE P1811 - MAXIMUM ADAPTIVE LONG TERM SHIFT. CODE U1301 - CLASS 2 CIRCUIT SHORT TO BATTERY.POSSIBLE CAUSE CLASS 2 SERIAL DATA LINE WAS IN A HIGH STATE FOR 3 SECONDS DUE TO A SHORT TO VREF OR SYSTEM POWER. ONE OR MORE MODULES ON CLASS 2 LINE HAS AN SHORT TO POWER.LOOKING AT ONE OF THE CODES.TRANSMISSION GETTING TOO HOT.DUE TO OVERHEATING ENGINE OR YOU ARE TOWING OR PULLING MORE WEIGHT THAN YOUR VECHICLE CAN HANDLE.CAUSING ENGINE AND TRANSMISSION TO OVERHEAT.

Feb 06, 2011 | Chevrolet Venture Cars & Trucks

2 Answers

I have a DTC code P1626 and cannot find out what the code means.


code p1626 in the book it says theft deterrent system fuel enable circuit. hope this helps

Aug 02, 2008 | 1997 GMC Suburban

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