Question about 1999 Chevrolet Malibu

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1999 Chevy Malibu, not shifting right. It will drive and go in reverse but it will not upshift (or downshift) while driving. ATF and Filter are good. Also trying to manually shift doesnt work. Got a few codes off the OBD reader they are: P0758, P0753, P1860, P0452 (that one Ive had a while) and P0113. That last one was probably caused by a plug on the intake being undone... Any ideas on how I can fix these problems?

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  • Chevrolet Master
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Code p 0753 refers to shift solenoid (SS) A ---electrical===causes --wiring ---shift solenoid ---ECM/TCM
code p 0758 refers to Shift solenoid (SS) B -- electrical===causes -- same as for p 0753
code p 0452 refers to evaporative emission (EVAP) pressure sensor---low input===causes wiring short to ground ---EVAP pressure sensor ---ECM
code p1860 refers to TCC / PWM solenoid circuit breaker
the first 2 are solenoid problems in the transmission
the p1860 is the torque converter clutch solenoid / servo code p 0113refers to intake air temp (IAT) sensor --circuit malfunction===causes--wiring open circuit/ short to positive ---wiring short to ground ---ground wire defective --IAT sensor ---ECM

Posted on Jul 20, 2017

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Posted on Jan 02, 2017

  • 58 Answers

SOURCE: trouble codes

You might want to check for a mouse nest under the Underhood fuse block, seen them chew up wiring under there many times.

Posted on Nov 05, 2008

dennymulford
  • 1055 Answers

SOURCE: 1998 Chevy Cavalier-electical

youve either got a bad connection at the new battery or the power wire is shorting out did he have too pull the cables too get them too fit?

Posted on Feb 27, 2009

stevehinrich
  • 61 Answers

SOURCE: 1997 blazer sluggish in drive reverse is fine

P0740 is TCC circuit malfunction P0753 is shift solenoid A circuit electrical P0758 is shift solenoid B P1406 is EGR pintle position and P01860 is TCC circuit.

Posted on Feb 28, 2009

  • 14036 Answers

SOURCE: p0740, p0753, p0758, p0785, p1860 all of them lit up on me

PO740 IS TCC SOLENOID CIRCUIT MALFUNCTION CONDITIONS.CHECK TRANSMISSION FUSE - PO753 IS A/T 1-2 SHIFT SOLENOID CIRCUIT MALFUNCTION CONDITIONS.THE 1-2 SHIFT SOLENOID HAS FAILED - PO 758 IS A/T 2 -3 SHIFT SOLENOID CIRCUIT CONDITIONS. CHECK THE ERLS FUSE - PO1860 IS TCM PWM SOLENOID CIRCUIT MALFUNCTION CONDITIONS.CHECK TRANSMISSION FUSE+ IGNITION FUSE.

Posted on Aug 02, 2009

  • 4 Answers

SOURCE: 1997 transmission Slow Acceleration

not sure if this is the answer yet but i have the same problem with the same codes i work at an auto parts store and a few of the techs that are customers have lead me in the direction of changing the ignition switch, i am doing it today will let you know if it solves the problem

Posted on Jan 27, 2010

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