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 MANUALSVOLKSWAGEN2010ROUTAN SREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASTRANSMISSION DTC BASED DIAGNOSTICS (P0868 TO U0141)00 GENERAL, TECHNICAL DATAAUTOMATIC TRANSMISSION 62TEP0882 - TCM POWER INPUT LOWTEST STEP 4 - CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN

2010 Volkswagen Routan S

Test Step 4 - Check The (T16) Transmission Control Output Circuit For An Open

2010 Volkswagen Routan SSECTION Test Step 4 - Check The (T16) Transmission Control Output Circuit For An Open

Turn the ignition off to the lock position.
Disconnect the PCM C4 harness connector.
Disconnect the Transmission Solenoid/TRS Assembly harness connector.
Connect a jumper wire between the internal Fused B(+) circuit and the (T16) Transmission Control Output circuit in the Transmission Control Relay connector.
Ignition on, engine not running.
Using a 12-volt test light connected to ground, check all four (T16) Transmission Control Output circuits in the PCM C4 harness connector and Transmission Solenoid/TRS Assembly harness connector.

Does the test light illuminate brightly on all four (T16) Transmission Control Output circuits?

Yes

Go to Test Step TEST STEP 5 - CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR A SHORT TO GROUND .

Repair the (T16) Transmission Control Output circuit(s) for an open or high resistance.
Perform the Transmission Verification Test. Refer to: 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.