DTC P1635 [AJ (3.0L Duratec)]


id0102a4826500

DTC P1639

Tire/axle ratio out of acceptable range

DETECTION CONDITION

• No configuration data in PCM.

POSSIBLE CAUSE

• Not genuine tire is equipped.
• Miss configuration
• PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
Yes
Go to next step.
No
Record FREEZE FRAME DATA on repair order, then go to next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Check for related Service Bulletins and/or on-line repair information availability.
• Is any related repair information available?
Yes
Perform repair or diagnosis according to available repair information.
• If vehicle is not repaired, go to next step.
No
Go to next step.
3
VERIFY VID TIRE DATA
• Turn the ignition switch to the ON position.
• Connect the WDS to the DLC-2.
• Access the data of the tire size.
• Is it the same as a equipped tire?
Yes
Go to next step.
No
Perform PCM configuration procedure, then go to next step.
4
VERIFYGENUINE TIRES ARE INSTALLED
• Is genuine tires are equipped?
Yes
Go to next step.
No
Change to the genuine tire. then go to next step.
5
VERIFY TROUBLESHOOTING OF DTC P0602 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn ignition key to ON (Engine OFF).
• Clear DTC from PCM memory using WDS or equivalent.
• Start engine and warm up it completely.
• Is same DTC present?
Yes
Replace PCM, then go to next step.
No
Go to next step.
6
VERIFY AFTER SERVICE PRECAUTION
• Perform "AFTER SERVICE PRECAUTION".
• Are any DTCs present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.