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Home >> Oldsmobile >> 1992 >> Cutlass Cruiser SL, 4T60/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L PFI >> Pcm/BCM Code Charts >> Code 39, TCC CKT, Using Tech 1, W/3T40 Transaxle >> Notes

Code 39, TCC CKT, Using Tech 1, W/3T40 Transaxle: Notes

Code 39 will set when Code 28 is not set, brake is not applied, TCC is commanded by ECM, transmission is in high gear and engine speed-to-vehicle speed ratio does not indicate TCC has engaged. All these conditions must have been met for more than 15 seconds.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Tests TCC power supply (GAGES fuse) and brake switch.
  2. Tests ECM for proper operation.
  3. Tests internal transaxle switches.
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