AutoCodes – Generic – P1C70

P1C70 Code - SCR Error Detected Engine Disabled

Quick Answer

The Diesel Exhaust Fluid (DEF) system holds a total of 5.7 gallons of fluid on a regular cab and 9.2 gallons of fluid on a chassis cab vehicle. Common causes include Diesel Exhaust Fluid Tank Empty, Tampering with Diesel Exhaust Fluid System. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1C70 indicates SCR Error Detected Engine Disabled.
Common causes: Common causes include Diesel Exhaust Fluid Tank Empty, Tampering with Diesel Exhaust Fluid System.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 5,760

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 16, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1C70 Description

The Diesel Exhaust Fluid (DEF) system holds a total of 5.7 gallons of fluid on a regular cab and 9.2 gallons of fluid on a chassis cab vehicle. There are a series of three warning levels to indicate to the customer when the fluid is low or incorrect. The driver warning and inducement strategy for a low fluid condition are as follows: The first warning will occur when the tank level is at approximately two gallons. The customer will hear a chime and get an EVIC message reading "DEF Low REFILL Soon". The second warning level will occur when the tank level is at approximately 1.5 gallons. The customer will hear a chime and get an EVIC message reading "Speed Limited to 5 mph in XXX MILES Refill DEF". The customer will hear a chime and get an EVIC message reading "5 mph Max Speed Refill DEF". The system will arrive at this level with approximately 0.7 gallons of fluid left in the tank. A minimum of two and a half gallons of approved Diesel Exhaust Fluid is added to the tank to eliminate the 5 mph derate.

OBDII Code P1C70 - SCR Error Detected Engine Disabled - AutoCodes.com — P1C70 Code - SCR Error Detected Engine Disabled

What does this mean?

What are the Possible Causes of the DTC P1C70?

Diesel Exhaust Fluid Tank Empty
Tampering with Diesel Exhaust Fluid System

How to Fix the DTC P1C70?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1C70 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Information for Specific Makes

P1C70 Chrysler — SCR Error Detected Engine Disabled
P1C70 Dodge — SCR Error Detected Engine Disabled
P1C70 Fiat — SCR Error Detected Engine Disabled
P1C70 Jeep — SCR Error Detected Engine Disabled

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1C70 Code

1. What are the common symptoms of OBDII code P1C70 (SCR Error Detected Engine Disabled)?

- Common symptoms include the engine being disabled, reduced engine power, and possible warning lights on the dashboard related to the SCR system.

2. What are some possible causes of OBDII code P1C70?

- Causes of this code may include a malfunctioning SCR (Selective Catalytic Reduction) system, faulty NOx (Nitrogen Oxide) sensor, poor quality DEF (Diesel Exhaust Fluid), or wiring issues.

3. How can I diagnose the OBDII code P1C70?

- Diagnosing this code typically involves using an OBDII scanner to read the code and inspecting the SCR system components, NOx sensor, and DEF quality. Detailed troubleshooting may be required.

4. What should I do if my engine is disabled due to OBDII code P1C70?

- If your engine is disabled, it is recommended to safely pull over, turn off the engine, and have the vehicle towed to a qualified mechanic for diagnosis and repair.

5. Can I drive my vehicle with the OBDII code P1C70 present?

- It is not recommended to drive your vehicle with this code present, especially if the engine is disabled. Continuing to drive could potentially cause further damage to the SCR system.

6. Are there any DIY repair tips for fixing OBDII code P1C70?

- DIY repair for this code is not recommended due to the complexity of the SCR system. It is best to have a professional mechanic diagnose and repair the issue.

7. How much does it typically cost to repair OBDII code P1C70?

- The cost of repairing this code can vary depending on the specific cause of the issue. Repair costs may include parts replacement, labor, and possibly resetting the engine control module.

8. Can a faulty DEF quality trigger OBDII code P1C70?

- Yes, poor quality or contaminated DEF can potentially trigger this code as it can affect the proper functioning of the SCR system and NOx sensor.

9. Is OBDII code P1C70 a serious issue that needs immediate attention?

- Yes, this code is considered serious as it can lead to engine disablement and increased emissions if not addressed promptly. Seeking professional diagnosis and repair is recommended.

10. How can I prevent OBDII code P1C70 from recurring in the future?

- To prevent the recurrence of this code, it is important to use high-quality DEF, maintain the SCR system components, and address any underlying issues promptly to ensure proper functioning of the system.