Free API
B2103moderate severityBody

Antenna Not Connected

on 2008 Dodge Viper 8.4L V10 · RWD

What this code means

The immobilizer/RF antenna circuit is open or disconnected, so the module cannot detect the antenna. No direct OBD P-code equivalent exists for this body code.

Symptoms

  • No-start or hard start
  • Security light on
  • Key not recognized

Common causes

  • Disconnected antenna connector
  • Broken antenna wiring
  • Faulty antenna coil
  • Corroded connector pins

Diagnostic steps

  1. Check antenna connector seating
  2. Inspect wiring for opens
  3. Measure antenna coil resistance
  4. Reconnect and clear codes

Other Body codes on this vehicle

🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
🔓 LIBERATED FOREVER
The 2008 Dodge Viper 8.4L V10 repair data is free for every DIYer and shop on earth, permanently, because Open Labor Project paid $99 to unlock it.
Mitchell1 charges $169/mo for this. ALLDATAdiy charges $30/yr per vehicle. Open Labor Project is free permanently, because of community sponsors like Open.
Free another vehicle →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →