Back to 2021 Nissan Leaf

2021 NISSAN LEAF

Electric 62kWh e+FWDAUTOMATICev
4 active safety recalls on this vehicle — view recalls
Repairs0Labor389Torque271Fluid5DTC569Battery0Maintenance0Recalls4
P1210moderate severityPowertrain

Traction Control System Signal Fault

on 2021 Nissan Leaf Electric 62kWh e+ · FWD

What this code means

Fault in the signal from the Traction Control System to the ECM.

Symptoms

  • CEL
  • TCS warning light
  • Traction control inop
  • Reduced stability

Common causes

  • Faulty TCS unit
  • Damaged wiring
  • Weak battery
  • Faulty wheel speed sensor

Diagnostic steps

  1. Test TCS communication
  2. Inspect wiring
  3. Check battery
  4. Test wheel speed sensors

Repair notes

Repair TCS communication.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 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 →