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HOMESERVICE MANUALSCHRYSLER2013TOWN & COUNTRY S, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 186 ((TRANSMISSION CONTROL MODULE (TCM) - ELECTRICAL DIAGNOSTICS))DTC TROUBLESHOOTINGP1705-INPUT SPEED SENSOR 2 OVERSPEEDDIAGNOSTIC 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 2013 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TO SEE IF DTC IS CURRENT 
    1. Turn the ignition on.
    2. With the scan tool, erase Transmission DTCs.
    3. Raise the vehicle on the hoist.
    4. Start the engine.
    5. With the scan tool, monitor the Input Speed Sensor 2 RPM.
    6. Firmly apply the brakes and place the gear selector in Drive.
      WARNING:

      To avoid possible serious or fatal injury, keep hands and feet clear of rotating wheels.

    7. Release the brakes and raise the engine RPM to allow the transmission to upshift to the 2-3 and 3-4 shift schedule.

      Did the Input Speed Sensor 2 display an RPM above 7700?

      Yes 

      • Go To  2

      No 

      • Go To  3
  2. INTERNAL TRANSMISSION 
    1. This DTC is an indication of a internal transmission failure.
    2. Remove the Transmission Oil Pan and inspect for excessive debris such as clutch friction material or metal contamination.

      Is there any indication of an internal transmission failure?

      Yes 

      • Repair internal transmission as necessary.
      • Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the TCM in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL, REMOVAL .
      • Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK THE WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
    3. Wiggle the wiring and connectors while checking for any possible open or shorted circuits.
    4. Check for any Service Information Tune-ups or Technical Service Bulletins that may apply.

      Were there any problems found?

      Yes 

      • Repair as necessary.
      • Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Test Complete.
RENDER: 1.0x

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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.