Free API
Help
2014 TESLA MODEL S
85 kWh Dual Motor AWD•AWD•AUTOMATIC•ev
9 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor317Torque3020Fluid5DTC1474Battery1Maintenance0Recalls9
P0828moderate severityPowertrain

Up and Down Shift Switch Circuit High

on 2014 Tesla Model S 85 kWh Dual Motor AWD · AWD

What this code means

The signal from the manual up/down shift switch circuit is reading higher than expected. This often indicates an open circuit or short to voltage.

Symptoms

  • Manual shift mode inoperative
  • Transmission warning light on
  • Erratic shift behavior

Common causes

  • Open circuit in switch wiring
  • Short to voltage in circuit
  • Faulty up/down shift switch
  • Faulty transmission control module

Diagnostic steps

  1. Read stored codes and freeze frame data
  2. Measure switch circuit signal voltage
  3. Inspect wiring for opens or shorts to power
  4. Replace switch or repair wiring as needed
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITE
Shop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other Powertrain codes on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of 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
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2014 Tesla Model S repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Tesla Model S — $99 →
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 →