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Marine Diagnostic Tools Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9)
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Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9)

$200

In stock at marinediagnostictools.com

The Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9) is a genuine Cojali adapter cable for Jaltest Marine diagnostics. It covers Scania engines that use RS232 communication (CAN Scania engines with the 4 pin port need JDC532A). It is 6 inches long and sells for $200.00.

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Price and stock from marinediagnostictools.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • Genuine Cojali part JDC531A
  • Covers Scania engines that use RS232 communication (CAN Scania engines with the 4 pin port need JDC532A)
  • Works with Jaltest Marine
  • Length: 6 inches

Best for

Technicians servicing older RS232-era Scania engines.

Things to consider

  • The title lists JDC531.9 while the spec lists JDC531A; confirm the part number before ordering.
  • It only works with the Jaltest platform; it is not a standalone scan tool.
  • Use the seller's Cable Finder or call their team to confirm the right cable for your engine before ordering.

Key specs

Price$200
ManufacturerCojali
Part numberJDC531A
Length6 inches
PlatformJaltest Marine

Our take

A necessary, genuine Cojali link for Scania RS232 work if you already run Jaltest; confirm the part against your engine first.

Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9) at a glance

BrandMarine Diagnostic Tools
Price$200
TypeCables
AvailabilityIn stock at marinediagnostictools.com
ReturnsMaster and Gas Pro kits can be refunded within 30 days of delivery after tech support…

Price check

At $200, the Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9) is toward the top of Marine Diagnostic Tools's price range, whose 162 listed products run $1 to $5,600.

Similar items from other brands we track run $9.99 to $29.95.

Buying from Marine Diagnostic Tools

Marine Diagnostic Tools is built for independent marine techs, boatyards, and fleet shops that want dealer-level diagnostics across many engine brands without buying each OEM tool. A boat owner with one engine brand may be better served by a single-brand MINI Scan Tool, or by a dealer visit. Before buying a full kit, call sales to confirm the total price, which cables you'll need, and the training required to qualify for the money-back guarantee.

Shipping
Most orders process the same day or within 3 business days, with orders placed after 11 a.m. processed the next business day. Shipping charges are calculated at checkout, and tracking is emailed when the order ships.
Returns
Master and Gas Pro kits can be refunded within 30 days of delivery after tech support troubleshooting and training enrollment. MINI kits can be returned within 30 days minus a 20% restocking fee; software, renewals, used kits, and customer-caused damage are not refundable.

Read our full Marine Diagnostic Tools review and shop all products →

Frequently asked questions

What engines does the JDC531A cable work with?
The listing says it connects Scania engines that use RS232 communication (CAN Scania engines with the 4 pin port need JDC532A).
Do I need anything else to use it?
Yes. It needs the Jaltest diagnostic interface and software.
How do I know it's the right cable?
The seller offers a Cable Finder that shows the diagnostic port location for each engine, and a phone line for questions.
How much is the Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9)?
Marine Diagnostic Tools lists it at $200 on marinediagnostictools.com. We refresh prices throughout the day, but always confirm the final price at checkout.
What is Marine Diagnostic Tools's return policy?
Master and Gas Pro kits can be refunded within 30 days of delivery after tech support troubleshooting and training enrollment. MINI kits can be returned within 30 days minus a 20% restocking fee; software, renewals, used kits, and customer-caused damage are not refundable.
How long does Marine Diagnostic Tools take to ship?
Most orders process the same day or within 3 business days, with orders placed after 11 a.m. processed the next business day. Shipping charges are calculated at checkout, and tracking is emailed when the order ships.
Where can I buy the Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9)?
The Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9) is sold directly by Marine Diagnostic Tools on marinediagnostictools.com. The Shop now button on this page goes straight to the product there.
Is the Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9) in stock?
Yes. Marine Diagnostic Tools lists it as in stock on marinediagnostictools.com as of our latest check. Stock and prices refresh throughout the day.
Is Marine Diagnostic Tools a legit store?
Marine Diagnostic Tools is built for independent marine techs, boatyards, and fleet shops that want dealer-level diagnostics across many engine brands without buying each OEM tool. A boat owner with one engine brand may be better served by a single-brand MINI Scan Tool, or by a dealer visit. Before buying a full kit, call sales to confirm the total price, which cables you'll need, and the training required to qualify for the money-back guarantee. Our full Marine Diagnostic Tools review covers shipping, returns and what to check before ordering.
Is the Cojali RS232 Scania Cable for Jaltest Marine (JDC531.9) expensive?
At $200 it is toward the top of Marine Diagnostic Tools's range ($1 to $5,600 across 162 products), and similar items from other brands run $9.99 to $29.95.

More from Marine Diagnostic Tools

Shop all Marine Diagnostic Tools →

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