Question about 2006 Hyundai Sonata
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Posted on Jan 02, 2017
there is a tsb for the brake switch in 06 sonatas. it must be adjusted or replaced by dealership. is your check engine light on, if so its probably code p0504
Posted on Jun 29, 2008
I had the same issue. It's pretty much impossible to fix it as a consumer. My mechanic didn't even know how to do it, so I was forced to take it the the dealership. They do it and it takes them about 40min. If I can recall right, it took them this long because they said it's a pain to get to and I believe had to unassemble the top part of the trunk. It cost about $10-$15.
Posted on Oct 08, 2008
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This TSB supersedes TSB 03-40-013 to add repair information (Steps 2~3).
An improperly adjusted or improperly operating range switch may result in the following conditions:
• Diagnostic trouble codes:
• P0705 - Range switch signal problem
• P0707 - Range switch - open circuit
• P0708 - Range switch - short circuit or multiple inputs
• Malfunction Indicator Light (MIL) illuminated
• Impossible engine start in "P" or "N"
This TSB provides information concerning the proper adjustment and diagnosis of the transaxle range switch.
1. Attach a GDS and check for DTC in both the "Engine" and "Automatic Transaxle" menus. Go to Step 2 for 2000~02 Accent or Step 3 for 2006~ Sonata. For other vehicles, go to Step 4.
2. For 2000~2002 Accent: Check according to TSB 03-40-001. Go to Step 4.
3. For 2006~ Sonata, follow steps a,b,c below, then go to Step 4.
a. Check the rear combination lamp ground bolts for tightness and good electrical contact (refer to applicable ETM, "Tail, Parking & License Lamps" section). Go to Step b.Page 2 of 6
b. For 2006~ Sonata: Remove the center console cover and check for contamination on the M40 connector to the sports mode switch. If so, clean and repair the connector as necessary. Go to step c below.
c. For 2006~07 Sonata: Remove the front pillar cover and verify the harness is properly routed near the clip. Repair the harness as necessary. Go to Step 4.
4. Attach a GDS and select vehicle, "A/T" menu, "Current Data" and "Shift Lever Switch".
5. Move the shift lever and confirm the GDS reads the gear shift position as shown below. If so, the harness currently does not have an open or short circuit between. the PCM/TCM and range switch.
Hope this helps.
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