OBD Guide
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P1C70

SCR Error Detected Engine Disabled

P1C70 is an OBD-II diagnostic trouble code meaning: SCR Error Detected Engine Disabled. Common causes: low or no adblue reagent level, nox sensor malfunction. Estimated repair cost: $56–278.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • The engine goes into emergency mode or shuts down
  • Check Engine light comes on
  • Reduced engine power
  • Possible SCR error messages on the dashboard
  • Increased NOx emissions

Causes

  • Low or no AdBlue reagent level
  • NOx sensor malfunction
  • Problems with the AdBlue supply pump
  • Clogged reagent injection nozzle
  • AdBlue tank heating element malfunction

How to Fix

  1. Check AdBlue level and top up if necessary
  2. Diagnose the SCR system using a scanner
  3. Check the functionality of the AdBlue pump and injector
  4. Test NOx sensors and system temperature sensors
  5. If necessary, replace faulty SCR system components

Related codes

P20EEP207FP2080

FAQ

What does the P1C70 code mean?

P1C70 is an OBD-II diagnostic trouble code that indicates: SCR Error Detected Engine Disabled

What causes a P1C70 error code?

The most common causes of P1C70 include: Low or no AdBlue reagent level; NOx sensor malfunction; Problems with the AdBlue supply pump; Clogged reagent injection nozzle.

How do I fix a P1C70 diagnostic trouble code?

To fix P1C70: Check AdBlue level and top up if necessary. Diagnose the SCR system using a scanner. Check the functionality of the AdBlue pump and injector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1C70?

Do not drive — repair immediately

How much does it cost to fix P1C70?

The estimated repair cost for P1C70 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat