Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHRYSLER2013TOWN & COUNTRY S, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 69 ((TRANSMISSION CONTROL MODULE (TCM) - ELECTRICAL DIAGNOSTICS))DTC TROUBLESHOOTINGP0602-CONTROL MODULE PROGRAMMING ERROR/NOT PROGRAMMEDDIAGNOSTIC TEST
2013 Chrysler Town & Country S, Gas
Diagnostic Test
2013 Chrysler Town & Country S, GasSECTION Diagnostic Test
WARNING: This page is about a different car, the 2012 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK IF THE TCM IS FLASHABLE NOTE:
Controller is programmed with generic software and will not allow the correct vehicle Powertrain management.
- With the scan tool, record the vehicles controller part number.
- Select Use Controller Part Number under the Flash Tab.
- Flash the controller with the correct software.
Were you able to update (flash) the controller successfully?
Yes
- Test Complete.
- Refer to STANDARD PROCEDURE and perform the NAG1 TRANSMISSION VERIFICATION TEST.
No
- Replace the TCM in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL, REMOVAL .
- Refer to STANDARD PROCEDURE and perform the NAG1 TRANSMISSION VERIFICATION TEST.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.