OBD Guide
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C2370

TCS Valve Secondary USV2 Error

C2370 is an OBD-II diagnostic trouble code meaning: TCS Valve Secondary USV2 Error. Common causes: tcs secondary solenoid valve malfunction, open or shorted valve wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The TCS/ESP indicator on the dashboard lights up
  • Reduced effectiveness of the stability control system
  • It is possible to disable the stabilization system

Causes

  • TCS secondary solenoid valve malfunction
  • Open or shorted valve wiring harness
  • Problems with contacts in connectors
  • Malfunction of the TCS/ABS control unit
  • Valve corrosion or contamination

How to Fix

  1. Check the condition of the wiring harness and valve connectors
  2. Check the resistance and functionality of the valve
  3. Clean contacts from corrosion if necessary
  4. If faulty, replace valve USV2
  5. Check the operation of the TCS system after repair
  6. Reset errors using an OBD-II scanner

Related codes

C2365C2375C0035C0040

FAQ

What does the C2370 code mean?

C2370 is an OBD-II diagnostic trouble code that indicates: TCS Valve Secondary USV2 Error

What causes a C2370 error code?

The most common causes of C2370 include: TCS secondary solenoid valve malfunction; Open or shorted valve wiring harness; Problems with contacts in connectors; Malfunction of the TCS/ABS control unit.

How do I fix a C2370 diagnostic trouble code?

To fix C2370: Check the condition of the wiring harness and valve connectors. Check the resistance and functionality of the valve. Clean contacts from corrosion if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2370?

Limited driving only, diagnose soon

How much does it cost to fix C2370?

The estimated repair cost for C2370 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat