Question about Chevrolet Cavalier

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Automatic, shift 1 to 2 slip (cutlose and bang) when it shift between 2,500RPM and 4,000RPM works fine at light throttle and full throttle 1-2 shifts all other shifts fine 2-3-4 at any RPM

2001 caviler 2.4L LS code C1275 is set TRAC OFF light will be on for days and off for weeks

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  • Chevrolet Master
  • 12,488 Answers

DTC C1275
PCM Requested ETS to Be Disabled

The PCM monitors various parameters and will not allow traction control operation if any parameter falls outside a specified range.
Conditions for Setting the DTC
The PCM diagnoses a condition preventing the engine control portion of the traction control function and sends a serial data message to the EBCM indicating that torque reduction is not allowed. The PCM will typically set a DTC and the EBCM will set this DTC.
Diagnostic Aids
This DTC is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS/TCS system.

Step
Action
Value(s)
Yes
No
Schematic Reference: Antilock Brake System Schematics
1
Did you perform the ABS Diagnostic System Check?
--
Go to Diagnostic System Check - Engine Controls in Engine Controls - 2.2L or Diagnostic System Check - Engine Controls in Engine Controls - 2.4L
Go to Diagnostic System Check - ABS

Install a scan tool.
Does the scan tool power up?
Go to Step 2
Go to Scan Tool Does Not Power Up in Data Link Communications
2
Turn ON the ignition, with the engine OFF.
Attempt to establish communication with the following control modules:
• Body control module (BCM)
• Electronic brake control module (EBCM)
• Instrument panel cluster (IPC)
• Powertrain control module (PCM)
Does the scan tool communicate with all control modules?

Do you have a up scale scan tool ? One that will communicate with the above modules ? If not your best bet would be to take your vehicle to a qualified repair shop .

Posted on Aug 13, 2017

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SOURCE: 2001 chevy cavalier trac light

Might have a front wheel bearing going out take it to a shop they can hook up a computer and tell you which bearing it is

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SOURCE: 1989 lincoln mark vll automatic transmission

you may have damaged the overdrive gear, a local transmission shop would be your best bet. for good troubleshoting and estimate.

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SOURCE: transmission shifts hard when the trac off light comes on

youll need to scan for transmission codes. the trac off light is a default of the trans going into a default safety mode. Bad speed sensors and simple little bolt on items like that can cause the condition but only way to really nail it is with a computer.

Posted on Apr 07, 2009

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SOURCE: 2001 jeep liberty is stuck in part time 4wd

just a suggestion but I had this with another make fwd and I had to put inreverse and drive several hundred feet and tehn switch out while i was driving

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SOURCE: 2001 Saab 9-3 with automatic transmission will not shift

CHECK BRAKE LIGHT SWITCH FUSE AND BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID FUSE.IF BOTH FUSES ARE GOOD.PROBLEM IS THE BRAKE SWITCH FAULTY OR BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID IS FAULTY.

Posted on Nov 01, 2009

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1994 nissan altima sometimes sluggish at take off, high rpms when changing gears


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