2005 Mercedes Benz A160 W169 Gearbox Fault

Tiny
KKDIGGER
  • MEMBER
  • 2005 MERCEDES BENZ A160
  • 1.7L
  • 4 CYL
  • 2WD
  • AUTOMATIC
Hello Guys

I am Dinos, I am new to the forum. I have a Mercedes A170

I have problem with the gearbox I think. The car wont move or reverse as it should.

I need to press the gas slowly slowly until it start moving (take about 12-15 seconds).
If I press the petal too fast then it start moving but it is kinda confused, it accelerates very fast and shakes.

Anyway I put it on a Diagnosis machine an got the following errors:

I get the following error codes:Petrol (266.940 - SIM266 - MT/AT - 169.032/332)
DTC Description
00C9 - Fault is stored in automatic transmission control unit: Transmission Fluid
Pressure Sensor/Switch A Circuit Range/Performance
- Intermittent
Brake (ESP (Electronic Stability Program) - ESP169 (Electronic Stability
Program) - MT/AT)
DTC Description
6319 - CAN: communication engine
- IntermittentInstrument (Instrument - Instrument - MT/AT)
DTC Description
9141 - Temperature sensor
- IntermittentGearbox (Gearbox - FCVT (CVT gearbox; (Continuously variable automatic
transmission)) - AT)
DTC Description
2732 - Hydraulic brake 'forward gear'; impermissible opening
- Permanent
0841 - While driving, the actual hydraulic pressure is implausible in comparison with
the specified hydraulic pressure in transmission
- PermanentMultifunction (Roof contr. - RCM (Roof control module) - MT/AT)
DTC Description
9001 - The supply voltage of the control unit is too low (undervoltage).
Do you
have the same problem?
Yes
No
Tuesday, September 2nd, 2014 AT 3:56 AM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Yes would agree a transmission problem. From codes seems major hydraulic pressure loss would suspect worn or torn oil seals ie. Internal. Codes stating condition Permanent indicate internal failure. Need to tow into dealer or competent trans repair shop
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Tuesday, September 2nd, 2014 AT 9:19 AM
Tiny
KKDIGGER
  • MEMBER
  • 2 POSTS
You mean oil pump in the gearbox?
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Tuesday, September 2nd, 2014 AT 11:00 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Possible but more likely piston seals in the clutch packs
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+1
Tuesday, September 2nd, 2014 AT 11:55 AM

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