AutoCodes – Jeep – P1694 Jeep

P1694 Jeep Code - No Messages Received From The Powertrain Control Module

Quick Answer

P1694 Jeep indicates No Messages Received From The Powertrain Control Module. Common causes include CCD Bus (-) circuit open between Powertrain Control Module (PCM) and Transmission Control Module (TCM), CCD Bus (+) circuit open between PCM and TCM, Transmission CCD bus wiring damaged. 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: P1694 Jeep indicates No Messages Received From The Powertrain Control Module.
Common causes: Common causes include CCD Bus (-) circuit open between Powertrain Control Module (PCM) and Transmission Control Module (TCM), CCD Bus (+) circuit open between PCM and TCM, Transmission CCD bus wiring damaged.
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 14,278

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 Sep 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P1694 Jeep Description

OBDII Code P1694 Jeep - No Messages Received From The Powertrain Control Module - AutoCodes.com — P1694 Jeep Code - No Messages Received From The Powertrain Control Module

What does this mean?

What are the Possible Causes of the DTC P1694 Jeep?

CCD Bus (-) circuit open between Powertrain Control Module (PCM) and Transmission Control Module (TCM)
CCD Bus (+) circuit open between PCM and TCM
Transmission CCD bus wiring damaged
Faulty TCM

How to Fix the DTC P1694 Jeep?

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 P1694 Jeep 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.