Difference between revisions of "P2755"

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(Created page with "__FORCETOC__ == P2755 - Transmission Fluid Cooler Control Circuit High == ==== Possible Symptoms ==== * Reduced heat output * Stalling, no-start, no communication to control ...")
 
 
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==== Possible Causes ====
 
==== Possible Causes ====
  
* Coolant shut-off valve (N82) faulty
+
* N82, N509, or N488 faulty
* Wiring or power supply to/from N82 faulty
+
* Wiring or power supply to/from N82, N509, or N488 faulty
  
 
==== Possible Solutions ====
 
==== Possible Solutions ====
  
* Check Coolant shut-off valve (N82)
+
* Check N82, N509, or N488
 
* Check for applicable recalls or TPIs related to N82 failure resulting in coolant migration thorough the N82 solenoid connector resting in destroyed wiring harness(es)
 
* Check for applicable recalls or TPIs related to N82 failure resulting in coolant migration thorough the N82 solenoid connector resting in destroyed wiring harness(es)
  
 
==== Special Notes ====
 
==== Special Notes ====
 
* This page contains a photo from a CHHB 2.0T Mk7 Golf after N82 and harness failure: [[P1888]]
 
* This page contains a photo from a CHHB 2.0T Mk7 Golf after N82 and harness failure: [[P1888]]
 +
* The following pages contains a photos from a CDRA (4H) 4.2L A8L after N82 damaged the entire wiring harness:
 +
**[http://wiki.ross-tech.com/wiki/index.php/File:Coolant_damaged_4H_A8L_2_pin_connector.jpg 2 pin connector]
 +
**[http://wiki.ross-tech.com/wiki/index.php/File:Coolant_damaged_4H_A8L_14_pin_connector.jpeg 14 pin connector]
 +
** That vehicle had [[P2755]] stored in the TCM in conjunction with intermittent rough running and stalling concerns and various system too Rich fuel trim engine DTCs.
 
* When found in any number of 2011-2013 model year vehicles make sure to check for open recalls and TPIs for noted issues.  These are just a few documents that were published:
 
* When found in any number of 2011-2013 model year vehicles make sure to check for open recalls and TPIs for noted issues.  These are just a few documents that were published:
 
+
** '''NAR (North American Region)''' 2011-2013 model year Audi A8
TBC.............
+
*** Recall Service Action Code: 80B8
 
+
**** https://static.nhtsa.gov/odi/tsbs/2016/MC-10128034-9999.pdf  NHTSA
also need to add P2753
+
** For 2011-2024 Audi vehicles, TPI 2033806 suggests checking/replacing N82, N509, or N488 as needed in addition to any damaged harnesses. Inspect ECM, TCM and HVAC connections for corroded terminals.
 +
*** https://static.nhtsa.gov/odi/tsbs/2015/SB-10058574-8951.pdf  NHTSA
 +
*** https://static.nhtsa.gov/odi/tsbs/2016/MC-10096538-0699.pdf  NHTSA
 +
** '''RoW (Rest of World)''' Audi A8 4.2L and 6.3L FSI
 +
*** Recall Service campaign 80B8 (2042850)
 +
** '''RoW (Rest of World)''' A6 2.0TFSI
 +
*** Service campaign 80B6 (2037311)
 +
** '''RoW (Rest of World)''' includes the A4 Saloon and Avant, A5 and Cabriolet, A6, A7, A8 and Q7
 +
*** TPI 2033325/2 suggests checking/replacing N82, N509, or N488 as needed in addition to any damaged harnesses.
  
  
  
 
[[Category:Fault Codes]]
 
[[Category:Fault Codes]]

Latest revision as of 11:09, 19 March 2021

P2755 - Transmission Fluid Cooler Control Circuit High

Possible Symptoms

  • Reduced heat output
  • Stalling, no-start, no communication to control module(s)

Possible Causes

  • N82, N509, or N488 faulty
  • Wiring or power supply to/from N82, N509, or N488 faulty

Possible Solutions

  • Check N82, N509, or N488
  • Check for applicable recalls or TPIs related to N82 failure resulting in coolant migration thorough the N82 solenoid connector resting in destroyed wiring harness(es)

Special Notes

  • This page contains a photo from a CHHB 2.0T Mk7 Golf after N82 and harness failure: P1888
  • The following pages contains a photos from a CDRA (4H) 4.2L A8L after N82 damaged the entire wiring harness:
    • 2 pin connector
    • 14 pin connector
    • That vehicle had P2755 stored in the TCM in conjunction with intermittent rough running and stalling concerns and various system too Rich fuel trim engine DTCs.
  • When found in any number of 2011-2013 model year vehicles make sure to check for open recalls and TPIs for noted issues. These are just a few documents that were published: