Cooling/Engine Controls - ECM DTC A1Set

NO: 25-18

DATE: 5-21-2004

MODEL:
2000-2003

M.YEAR:
S/V 40

CHASSIS:
415000-992378

SUBJECT:
DTC ECM A1

REFERENCE:
VADIS, VEMS

DESCRIPTION:

Under certain engine warm up conditions ECM DTC A1 may set. Extreme cold temperature and a long engine idle time from cold start could trigger the code.

SERVICE:

If ECM DTC A1 is set in a vehicle monitor the operation of the engine thermostat using VADIS. At normal operating temperature the engine coolant temperature should be approximately 90°C. If the engine is not reaching proper operating temperature verify operation of the thermostat and replace if necessary.

Perform the current VEMS download using VADIS version B or later. If the DTC returns, fault trace in accordance to VADIS.





Warranty Information