OK those codes are not related to your problem, the 025 is an Intermittent fault in blend door calibration. That would be temp related. The other 2 are communication errors with the pcm coolant & speed sensors. I would not worry about them at this point, rerun the self test and push defrost after it displays the codes and this should clear them.
If you have a DVOM you can do the pinpoint test for this concern. Ff you want to gamble, I would replace the blower controller, its located in the evap case under the hood..Look on passengers side at the back of the valve cover.
PINPOINT TEST L: EATC HEATER BLOWER MOTOR DOES NOT OPERATE AT LOWER SPEEDS
L1 CHECK BLOWER MOTOR LO SPEED OPERATION
- Start engine, select MAX A/C and position the blower thumbwheel to LO. The blower motor should operate at low speed.
- Slowly rotate the blower thumbwheel to HI. The A/C blower motor speed should increase until high blower speed is obtained.
Does the A/C blower speed increase to high speed?
| Yes | No |
|---|
| PERFORM Pinpoint Test Step A1. | GO to L2. |
L2 CHECK VOLTAGE BETWEEN BLOWER MOTOR SPEED CONTROL PINS 2 AND 5
- Turn ignition switch to off.
- Disconnect the harness connector from the A/C blower motor speed control.
- Start engine, select MAX A/C and rotate the blower thumbwheel to LO.
- Check voltage between Pins 1 and 3 of the blower motor speed controller harness connector. Voltage reading should be between 1 and 2 volts.
Is the voltage measurement between 1 and 2 volts?
| Yes | No |
|---|
| REPLACE the A/C blower motor speed control. RESTORE vehicle. RETEST system. | GO to L3. |
L3 CHECK VOLTAGE MEASUREMENT
- Verify the voltage reading obtained in Step L2.
Does the voltage measure zero volts?
| Yes | No |
|---|
| GO to L4. | RETEST. GO to L1. |
L4 VOLTAGE CHECK AT EATC PIN 7
- Start engine, select MAX A/C and rotate the blower thumbwheel to LO.
- Check voltage between Pin 7 of EATC module and ground. Should indicate 1 to 2 volts.
Is the voltage measurement between 1 and 2 volts?
| Yes | No |
|---|
| SERVICE Circuit 756 (R/PK) for Town Car or Circuit 752 (Y/R) for Crown Victoria, Grand Marquis between EATC module connector Pin 7 and A/C Pin 2 of A/C blower motor speed controller for connector open. RESTORE vehicle. RETEST system. | GO to L5. |
L5 ZERO VOLTAGE CHECK AT PIN 7
- Verify the voltage recorded in Step L4.
Does the voltage between Pin 7 and ground measure zero volts?
| Yes | No |
|---|
| REPLACE the EATC module. RESTORE vehicle. RETEST system. | RETEST. GO to L1 . |
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