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.
P1696 - EEPROM Memory Write Denied/Invalid: Notes
2011 Volkswagen Routan SESECTION Notes
For a complete wiring diagram, refer to appropriate wiring diagram.
- >>When Monitored:<< Continuously with the ignition on.
- >>Set Condition:<< An attempt to program/write to the internal EEPROM failed, Also checks at power down. One Trip Fault. Three good trips to turn off the MIL.
| Possible Causes |
|---|
| POWERTRAIN CONTROL MODULE (PCM) SOFTWARE UPDATE |
| EXCESSIVE RESISTANCE IN THE PCM POWER OR GROUND CIRCUITS |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to Engine .
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.