Question about 2002 Nissan Altima

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The problem with 2002 nissan altima is ,whenever the battery terminal is removed,the car wont accelerate,so i used my scanner to detect the faults,and it shows me some fault codes,e.g. ( u1000,u1001,P1490,P0650,P0037,P0113,P0462,P0447).When i wiped the faults code,the car will accelerate,But when i remioved the battery terminal again,it wont accelerate and the fault code will generate again.What is the possible permanent solution.thanks.

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  • Nissan Master
  • 42,603 Answers

Your continually removing the battery terminal is what is causing the problem
the ECM cpu program is continually being corrupted by the terminal removal and when you wipe the codes ( read it as reset the ECM) it works fine until you touch the terminal again
permanent solution is ---leave the battery terminal alone

Posted on Jul 01, 2017

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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mrgreenz
  • 962 Answers

SOURCE: engine codes

These are Canadian DTCs diagnostic trouble codes. This codes mean a lack of connumication. This are different than American OBII codes.Hope this helps try gooling Canadian Troule Code and writing down the U codes. I hope this helps you. Please vote if you find this helpful.

The U1000 and U1001 mean that there is no communication between the engine control unit and another control units that are part of the CAN system (Controller Area Network) or that at some point there was no communication. Before do any repairs with the U1000 and U1001 codes, the factory recommend repairing any other problems in the car.

Posted on Jan 16, 2009

greg_margo
  • 1959 Answers

SOURCE: 02 ultima troble codes u1000

These 2 codes indicate a communications problem within the CAN (Controller Area Network). The CAN network malfunction per Chilton lists 3 possible causes:

  • CAN connector is damaged or is disconnected
  • CAN communication line is open, shorted to ground or to power
  • One of the modules is shorted and pulling the CAN voltage low
I hope this helps narrow down your problem. Best of luck to you.

Posted on May 09, 2009

emissionwiz
  • 76109 Answers

SOURCE: code p0462 on 2004 nissan altima

P0462 Fuel sensor is bad or there is a short circuit

Posted on Sep 30, 2009

  • 86 Answers

SOURCE: no start cranks ok .trouble shoot code shows u1000

Those codes are can communication codes that help each system talk to each other. You may find that it needs a new crank sensor. The 2.5 liter engine had some issues with crank sensors.

Posted on Feb 02, 2010

  • 367 Answers

SOURCE: i have a 05 nissan

Bad o2 sensor heater circuit. Check for damaged wiring to sensor first, if undamaged replace sensor.

Posted on Mar 06, 2011

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