AutoCodes – Generic – P1698

P1698 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 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 25,347

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

What does this mean?

What are the Possible Causes of the DTC P1698?

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?

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 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 P1698 code?

Need more information on how to fix the P1698 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P1698 Audi — Check DTC Memory Of Steering Column ECU
P1698 Chrysler — PCM Fault No CCD Message From TCM
P1698 Dodge — PCM Fault No CCD Message From TCM
P1698 Hyundai — Key ID Not Valid
P1698 Jeep — PCM Fault No CCD Message From TCM
P1698 RAM — PCM Fault No CCD Message From TCM
P1698 Subaru — Engine Torque Control Cut Signal Circuit Low Input
P1698 Volkswagen — Check DTC Memory Of Steering Column ECU

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.