A/C - Inoperative/DTC 00819 Stored in Memory
87 07 04Mar. 1, 2007
2010557 Supersedes T.B. Group 87 number 07-02 dated Feb. 2, 2007 due to (Mosel) ending VIN correction.
Affected Vehicles
Condition
A/C Inoperative, Diagnostic Trouble Code (DTC) 00819 Stored in DTC Memory
Inoperative A/C with DTC code 00819 "high-pressure sender -G65- open/short circuit to ground" stored in DTC memory.
Technical Background
May be caused by a software error in level SW 0006 of Climate Control Head -E87-.
^ DTC 00819 will be present at each ignition cycle.
^ When DTC 00819 is present, the A/C system is disabled.
Production Solution
Climate Control head with software level 0007 installed on vehicles after VIN: 4E274249 (Emden) or VIN: 4P245686 (Mosel).
Service
Tip:
Part(s) number(s) are for reference only. Always see ETKA for the latest part(s) information.
^ Connect VAS 5051/5052 Diagnostic tool.
^ Switch ignition ON.
^ From Start-up screen, select "Vehicle Self-Diagnosis".
^ Select vehicle system 08 - "Air conditioning/heating electronics".
^ Verify software level of Climate Control Head -arrow-.
If software level of climate control head is "0007":
^ Further diagnosis is required. Do not complete this Technical Bulletin.
If software level of climate control head is "0006":
^ Return to Vehicle Start-up screen.
^ Replace climate control head with new climate control head, Part No. 3B7 907 044 (SW 0007). See Repair Manual, Group 87, A/C control head -E87- with Climatronic control module -J255-, removing and installing.
Tip:
Replacement climate control head must have a software level 0007 (SW 0007), see sticker on control head (arrow).
^ From Start-up screen, select "Vehicle Self-Diagnosis".
^ Select vehicle system "08 - Air conditioning/heating electronics".
^ Select diagnosis function "007 - Coding".
^ Input "27210" on keypad.
^ Select "Q" button to confirm.
^ Climate control module will be coded to "27210".
^ Select diagnosis function "004 - DTC memory content (004.01)".
^ Record any faults that are present.
^ Select backward arrow to return to Select diagnosis function screen.
^ Select diagnosis function "004 - DTC memory content (004.10)".
^ Recheck for A/C system DTCs using "004 - DTC memory content (004.01)".
If A/C system DTCs are present:
^ Further diagnosis should be performed. Refer to "Guided Fault Finding" in the VAS 5051/5052.
If A/C system DTCs are not present:
^ Select diagnosis function "005 Output Diagnostic Test Mode (DTM)".
^ Use forward arrow to advance through test.
If "Final Control" tests fail:
^ Further diagnosis should be performed.
If "Final Control" tests complete:
^ A/C system is operating properly.
Warranty
*Code per warranty vendor code policy.
Required Parts and Tools.
No Special Tools required.