DTC P0532 Set in PCM No Telltale Illuminated - keywords C41 program recalibrate

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in the PI.

Some technicians may comment that DTC P0532 is set in the PCM but no telltale or lamp is illuminated. Technician may also state there are no HVAC concerns.

This issue only effects ION 1 level vehicles with C41 option (no A/C). There is a software issue that sets the DTC but no light is illuminated.

To correct this condition, recalibrate PCM with data CD 1.0 2005 or later.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.