060501
Engine Controls - SES Lamp ON/False DTC P0128
May 2006
Technical Service
SI M 12 03 06
Engine Electrical Systems
SUBJECT
EMS2K FC P0128; Coolant Thermostat
MODEL
R50 W10 with EMS2K up to 07/04
R53 W11 with EMS2K up to 07/04
SITUATION
"Service Engine Soon" light is illuminated and the erroneous thermostat fault P0128 ("Coolant Thermostat temperature below control temp.") is
stored in EMS2K (DME) fault memory. Engine is not overheating and the thermostat is working correctly.
CAUSE
DME software calibration.
CORRECTION
On a customer complaint basis only, reprogram the vehicle using the latest (G00/9; J10/6) EMS2K software which is on Progman V21.2 or higher.
This Progman software version is displayed as 21.02.00 in the Progman "Installation status" screen, or 21.02 on the "Administration" screen.
PROCEDURE
1. Connect an approved battery charger and DK diagnostic head.
2. Start new Progman session and select "MINI" series.
3. Select "Load Software", and then answer "NO" to the query as to whether any of the control modules have been replaced.
4. Select DME from the list of the control modules.
5. Select "Program" menu, and then "Update Software" from the submenu. The measure plan will be determined and displayed.
6. Select "Accept" and "Start" to start programming.
Important:
After the DME programming ends, continue to follow the Progman screen prompts to "Turn Off Ignition", wait 25 seconds, and then "Turn On"
ignition to complete the DME coding and measures plan successfully. If necessary, determine and clear any fault codes using the GT1 diagnostic
path.
WARRANTY INFORMATION
Covered under the terms of the MINI New Vehicle Limited Warranty.
For the appropriate labor allowance/operation refer to KSD found in MINI TIS.
