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.
VSA DTC 62-11
DTC 62-11 : Modulator-Control Unit Power Source Circuit (IG) High Voltage
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| 62-11 Modulator-Control Unit Power Source Circuit (IG) High Voltage |
DTCs (VSA)
- Problem verification
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Turn the vehicle to the OFF (LOCK) mode.
-4. Start the engine.
-5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 62-11 Modulator-Control Unit Power Source Circuit (IG) High Voltage Is DTC 62-11 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. .
- VSA modulator-control unit check
-1. With the engine still running, check and note the parameter(s) below with the HDS.
Signal Current conditions Values Unit BATTERY VOLTAGE -2. Using a voltmeter, measure and note the voltage across the battery terminals.
NOTE: If the voltage is more than 15.1 V, troubleshoot the PGM-FI DTCs .
-3. Compare the voltage noted in step 2-1 to the voltage in step 2
Is the difference between the two voltage readings less than 3 V?
YES
Check the battery , and check for any PGM-FI DTCs .
NO
Go to step 3.
- VSA modulator-control unit check (update)
-1. Update the VSA modulator-control unit if it does not have the latest software .
-2. Turn the vehicle to the OFF (LOCK) mode.
-3. Start the engine.
-4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame Is DTC 62-11 indicated?
YES
Check for loose terminals in the VSA modulator-control unit 38P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit .
NO
Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.
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.