AutoCodes – RAM – P1698 RAM

P1698 RAM Code - PCM Fault No CCD Message From TCM

Quick Answer

The Chrysler Collision Detection (CCD) bus is a pair of twisted wires traveling from module-to-module receiving and delivering coded information. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection. 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: P1698 RAM indicates PCM Fault No CCD Message From TCM.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection.
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 1,397

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 Aug 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1698 RAM Description

The Chrysler Collision Detection (CCD) bus is a pair of twisted wires traveling from module-to-module receiving and delivering coded information. The coded information identifies the message and its importance. When multiple messages attempt to access CCD bus at once, code assigns priority ranking. The Powertrain Control Module (PCM) will set the Diagnostic Trouble Code (DTC) when no CCD messages are received from the Transmission Control Module (TCM) for 10 seconds.

OBDII Code P1698 RAM - PCM Fault No CCD Message From TCM - AutoCodes.com — P1698 RAM Code - PCM Fault No CCD Message From TCM

What does this mean?

What are the Possible Causes of the DTC P1698 RAM?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection
Faulty Powertrain Control Module (PCM)
Low battery voltage

How to Fix the DTC P1698 RAM?

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 P1698 RAM 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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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 P1698 RAM Code

1. What does OBDII code P1698 RAM mean?

The OBDII code P1698 RAM signifies a PCM Fault - No CCD Message From TCM, indicating a communication error between the powertrain control module (PCM) and the transmission control module (TCM).

2. What are common symptoms of OBDII code P1698 RAM?

Common symptoms of code P1698 RAM include transmission shifting issues, engine stalling, hesitation during acceleration, and the illumination of the Check Engine Light.

3. What are possible causes of OBDII code P1698 RAM?

Possible causes of code P1698 RAM include faulty wiring or connections between the PCM and TCM, a defective TCM, a malfunctioning PCM, or issues with the Controller Area Network (CAN) bus communication system.

4. How can I diagnose OBDII code P1698 RAM?

Diagnosing code P1698 RAM involves using a diagnostic scanner to retrieve the fault code, checking the wiring and connections between the PCM and TCM, testing the TCM and PCM for proper functionality, and inspecting the CAN bus network for faults.

5. How can I repair OBDII code P1698 RAM?

To repair code P1698 RAM, you may need to repair or replace damaged wiring, connectors, or modules between the PCM and TCM, reprogram the modules if necessary, or replace a faulty TCM or PCM as needed.

6. Can I drive my vehicle with OBDII code P1698 RAM?

It is not recommended to drive your vehicle with code P1698 RAM as it can lead to potential transmission and engine performance issues. It's best to address the problem promptly to avoid further damage.

7. Will resetting the trouble codes fix OBDII code P1698 RAM?

Simply resetting the trouble codes may temporarily clear the Check Engine Light, but it will not fix the underlying issue causing code P1698 RAM. Proper diagnosis and repair are necessary to resolve the problem.

8. How much does it cost to repair OBDII code P1698 RAM?

The cost to repair code P1698 RAM can vary depending on the specific cause of the issue, labor rates in your area, and the cost of any replacement parts needed. It's advisable to consult a professional mechanic for an accurate estimate.

9. Can a DIY enthusiast fix OBDII code P1698 RAM?

While some DIY enthusiasts may have the skills and tools to diagnose and repair code P1698 RAM, it involves complex electrical systems and communication networks. If you're unsure, it's best to seek help from a qualified mechanic.

10. How often does OBDII code P1698 RAM occur in vehicles?

OBDII code P1698 RAM is relatively uncommon but can occur in vehicles with PCM and TCM communication issues. If you encounter this code, it's essential to address it promptly to prevent further problems with your vehicle's performance.