P1696 Code - Immobilizer Key Mismatched
Quick Answer
P1696 indicates Immobilizer Key Mismatched. Common causes include Faulty Smart key ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1696 indicates Immobilizer Key Mismatched.
- Common causes
- Common causes include Faulty Smart key ECM.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1696 Description
How to Fix the DTC P1696?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1696 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1696 code?
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Need Help with the Code?
Get the P1696 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1696 Acura — Traction Control System Voltage Low
- P1696 Audi — CAN Data Bus Steering Column Electronics Incorrect Signal
- P1696 Buick — Remote Keyless Entry Circuit High Input Conditions
- P1696 Cadillac — Remote Keyless Entry Circuit High Input Conditions
- P1696 Chevrolet — Remote Keyless Entry Circuit High Input Conditions
- P1696 Chrysler — PCM EEPROM Fault Write Denied Conditions
- P1696 Dodge — PCM EEPROM Fault Write Denied Conditions
- P1696 GMC — Remote Keyless Entry Circuit High Input Conditions
- P1696 Honda — Traction Control System Voltage Low
- P1696 Hyundai — Immobilizer Key Mismatched
- P1696 Volkswagen — CAN Data Bus Steering Column Electronics Incorrect Signal
Frequently Asked Questions about P1696 Code
1. What are the common symptoms of OBDII code P1696 (Immobilizer Key Mismatched)?
- Common symptoms include the engine not starting, the engine starting and then immediately stalling, and the security light staying illuminated on the dashboard.
2. What causes the OBDII code P1696 to trigger?
- This code is triggered when there is a mismatch between the electronic key and the vehicle's immobilizer system, preventing the engine from starting.
3. How can I diagnose the cause of OBDII code P1696?
- Diagnosis typically involves checking the key fob battery, ensuring the correct key is being used, and verifying the immobilizer system's operation.
4. Can using a different key trigger the OBDII code P1696?
- Yes, using an incorrect or unprogrammed key can trigger the code due to the immobilizer system not recognizing the key.
5. What should I do if my engine is not starting due to OBDII code P1696?
- If your engine is not starting due to this code, try using the correct key, replacing the key fob battery, and if necessary, have the immobilizer system reprogrammed by a professional.
6. Are there any DIY repair tips for fixing OBDII code P1696?
- DIY repair tips include checking the key fob battery, ensuring the correct key is being used, and checking for any loose connections related to the immobilizer system.
7. Can OBDII code P1696 be a false alarm?
- In some cases, the code may be triggered by a temporary issue such as a low key fob battery or a momentary communication error, resulting in a false alarm.
8. Is it safe to continue driving with OBDII code P1696 present?
- It is not recommended to continue driving with this code present, as it can lead to the engine stalling unexpectedly and potentially leaving you stranded.
9. How much does it typically cost to repair OBDII code P1696?
- The cost of repair can vary depending on the cause of the code, but it may involve replacing the key fob battery, reprogramming the immobilizer system, or addressing any wiring issues.
10. Can a locksmith help with resolving OBDII code P1696?
- Yes, a locksmith may be able to assist with reprogramming keys or addressing issues related to the immobilizer system triggering the code.
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