AutoCodes – Generic – P1C57

P1C57 Code - Reductant Control Module Shutdown Crash Event Detected

Quick Answer

The Body Control Module (BCM) monitors vehicle control for crash events. Common causes include Crash Event Occurred, Check other Diagnostic Trouble Code (DTC). 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
P1C57 indicates Reductant Control Module Shutdown Crash Event Detected.
Common causes
Common causes include Crash Event Occurred, Check other Diagnostic Trouble Code (DTC).
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,546
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 23, 2020
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Code P1C57 Description

The Body Control Module (BCM) monitors vehicle control for crash events. The Diagnostic Trouble Code (DTC) will set when the BCM receives the Controller Area Network (CAN) BUS signal of a crash event.
OBDII Code P1C57 - Reductant Control Module Shutdown Crash Event Detected - AutoCodes.com
P1C57 Code - Reductant Control Module Shutdown Crash Event Detected

What are the Possible Causes of the DTC P1C57?

  • Crash Event Occurred
  • Check other Diagnostic Trouble Code (DTC)

How to Fix the DTC P1C57?

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 P1C57 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.

Need more information about the P1C57 code?

Need more information on how to fix the P1C57 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1C57 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P1C57 Chrysler β€” Reductant Control Module Shutdown Crash Event Detected
  • P1C57 Dodge β€” Reductant Control Module Shutdown Crash Event Detected
  • P1C57 Jeep β€” Reductant Control Module Shutdown Crash Event Detected
  • P1C57 RAM β€” Reductant Control Module Shutdown Crash Event Detected
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 P1C57 Code

1. What does OBDII code P1C57 mean?

Code P1C57 indicates that the Reductant Control Module (RCM) has detected a crash event and has subsequently shut down to prevent further operation.

2. What are the common symptoms of code P1C57?

Symptoms include the Check Engine Light or Malfunction Indicator Lamp (MIL) being illuminated, disabled diesel exhaust fluid (DEF) system, and possible performance limitations.

3. What causes the P1C57 code to be triggered?

The code is typically caused by the vehicle detecting a crash or collision event, faulty crash sensors, wiring issues, or an internal fault in the Reductant Control Module.

4. Can the P1C57 code appear without an actual crash?

Yes, false triggers can occur due to faulty impact sensors, wiring problems, or incorrect data being sent to the module.

5. How is the P1C57 code diagnosed?

A technician will use a scan tool to verify the code, inspect the crash sensors and wiring, and check for any physical damage to the vehicle that might have caused the code.

6. Can I clear the P1C57 code myself?

Clearing the code requires fixing the underlying issue first. Resetting the code without repairs may result in it reappearing or other system malfunctions.

7. Is it safe to drive with the P1C57 code active?

While the vehicle may still be drivable, the DEF system will not function properly, which could lead to performance restrictions and possible emissions violations.

8. How is the P1C57 code fixed?

Repairs typically involve replacing damaged crash sensors, repairing wiring or connectors, or reprogramming or replacing the Reductant Control Module if it is faulty.

9. What vehicles are most commonly affected by code P1C57?

This code is most often seen in diesel vehicles equipped with a DEF system, such as certain models of trucks or SUVs.

10. Can a software update fix the P1C57 code?

In some cases, a software update or reprogramming of the control module may resolve false triggers or improve system communication.

Discuss the causes and fixes for P1C57 OBDII Code

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