2013 ? 2015 SENTRA AND VERSA SEDAN POOR HEATER PERFORMANCE WITH AMBIENT TEMPERATURE BELOW -20°C (-4°F)
IF YOU CONFIRM
The customer reports the HVAC system does not produce enough heat (poor heater performance),
and
The issue occurs with ambient temperatures below -20°C (-4°F),
and
The engine thermostat is operating correctly.
ACTION
1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on.
2. If this bulletin applies, reprogram the ECM.
