1998 ACURA CL FOURTH GEAR LIGHT BLINKING

  • Tiny
  • chavito
  • 1998 Acura CL

Transmission problem
1998 Acura CL 6 cyl All Wheel Drive Automatic 226000 miles

my 4th gear light is blinking and it doesn't shift the 4th gear

Monday, July 26th, 2010 AT 9:14 AM

3 Answers

  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

Hi chavito,

An error has been detected by the PCM and is indicating by the blinking D4 light.

Get a free scan done at Autozone and let me know the EXACT trouble code.

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Monday, July 26th, 2010 AT 9:45 AM
  • Tiny
  • chavito
  • Member

The trouble codes are PO758 and PO135

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Wednesday, July 28th, 2010 AT 4:41 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

P0135 = HO2S ( Heated Oxygen Sensor ) heater circuit malfunction.

P0758 = Shift Control Solenoid Valve " B".

Test would have to be performed to verify the source, could be a faulty sensor/solenoid. Check if any of the wireharness are loose or contaminated.

When did the Check Engine Light started showing?
It is a separate issue with the D light blinking.

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Wednesday, July 28th, 2010 AT 6:59 PM

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