code 68 motor circuit malfunction for a dodge durango 2001

2001 DODGE DURANGO
168,000 MILES • 4.7L • V8 • 4WD • AUTOMATIC
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DURANGOGUY
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  • 1 POST
abs/brake light is on ,.I replaced the Abs pump Control Module Still Have the code # 68 Motor Circuit Malfunction,.I was told it could be a connector or the hydraulic control unit (HCU). I erased it Drove Down the Road ,Abs/Brake Light Comes back on ,.same code is read ! My Question Does Anyone Know How To Fix Or Correct This Problem or Code .
May 25, 2015 at 7:32 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
there is a tsb on this and the HCU has to be replaced then after that a scanner has to put the correct gear ratio along with tire size iin to fix this. I'm not sure if a dealer will do this at this point due ot age. also it only does it while cruise control is engaged from 74-76 mph. see pic for qualifying vehicles.
May 25, 2015 at 9:29 AM
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