AutoCodes – Saab – P1624 Saab

P1624 Saab Code - CAN Data Bus Transmission Control Module

Quick Answer

P1624 Saab indicates CAN Data Bus Transmission Control Module. Common causes include Transmission Control Module (TCM) Control Are Network (CAN) communication, Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted. 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: P1624 Saab indicates CAN Data Bus Transmission Control Module.
Common causes: Common causes include Transmission Control Module (TCM) Control Are Network (CAN) communication, Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted.
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 4,341

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 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1624 Saab Description

OBDII Code P1624 Saab - CAN Data Bus Transmission Control Module - AutoCodes.com — P1624 Saab Code - CAN Data Bus Transmission Control Module

What does this mean?

What are the Possible Causes of the DTC P1624 Saab?

Transmission Control Module (TCM) Control Are Network (CAN) communication
Faulty Transmission Control Module (TCM)
Transmission Control Module (TCM) harness is open or shorted
Transmission Control Module (TCM) circuit poor electrical connection

How to Fix the DTC P1624 Saab?

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 P1624 Saab 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 P1624 Saab Code

1. What are the common symptoms of OBDII code P1624 in a Saab related to the CAN Data Bus Transmission Control Module?

- Common symptoms include transmission shifting issues, poor acceleration, and the vehicle going into limp mode.

2. What are the possible causes of OBDII code P1624 in a Saab?

- Possible causes include a faulty transmission control module (TCM), damaged wiring or connectors in the CAN bus system, or a communication error between modules.

3. How can I diagnose the OBDII code P1624 in my Saab?

- Diagnosis involves using a diagnostic scanner to retrieve the trouble codes, checking the transmission control module for any visible damage, and inspecting the CAN bus system for connectivity issues.

4. Is it safe to continue driving with OBDII code P1624 in my Saab?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the transmission or other components.

5. Can I repair OBDII code P1624 in my Saab myself?

- While some DIY enthusiasts may attempt to troubleshoot and repair this code, it is recommended to seek professional help due to the complexity of diagnosing and fixing issues related to the CAN Data Bus Transmission Control Module.

6. Will resetting the OBDII code P1624 in my Saab make it go away permanently?

- Simply resetting the code will not address the underlying issue causing it. It is important to diagnose and repair the root cause to prevent the code from reappearing.

7. How much does it typically cost to repair OBDII code P1624 in a Saab?

- Repair costs can vary depending on the specific cause of the code, but expect to pay for diagnostic time, parts replacement (such as a TCM), and labor costs.

8. Can a weak battery or alternator cause OBDII code P1624 in a Saab?

- Yes, electrical issues like a weak battery or failing alternator can disrupt communication between modules and trigger this code.

9. Are there any preventive maintenance tips to avoid OBDII code P1624 in a Saab?

- Regularly checking and maintaining the vehicle's electrical system, including the battery and wiring connections, can help prevent issues that may lead to this code.

10. How long can I safely drive my Saab with OBDII code P1624 before getting it repaired?

- It is best to address the issue promptly to avoid further damage. Continuing to drive with this code present can potentially cause more severe problems with the transmission system.