Jeep ECU & PCM Modules – Bosch and OEM Part Numbers

Jeep ECU and PCM modules – identification by Bosch and OEM part number

In Jeep vehicles, the engine-management module may be described as an ECU, ECM, PCM, engine computer or Powertrain Control Module. Depending on the vehicle and engine generation, the module manages functions associated with fuel injection, ignition, fuel pressure, turbocharger control, electronic throttle operation and communication with other electronic systems.

When replacing a Jeep engine computer, the most important step is identifying the exact control unit installed in the vehicle. Similar housings and connectors do not guarantee identical hardware, software or vehicle-specific security data. The complete numbers on the original label should therefore be compared before ordering.

Jeep OEM P-numbers – why are they important?

Many Jeep and related Chrysler / Dodge engine control modules use OEM references beginning with the letter P. Examples currently found in the Auto24Parts Jeep category include:

• P68328041AA,
• P05094941AD,
• P05094244AG,
• P05094145AH,
• P56044561BE,
• P05187223AB.

The complete reference is important. The prefix, numerical section and final letters should all be retained when searching for a replacement module. Two P-numbers that look similar should not automatically be considered interchangeable.

Why does a Jeep ECU also have a Bosch number?

Many Jeep engine control units carry both an OEM reference and a separate electronics manufacturer number. Bosch modules commonly use references beginning with 0281....

Examples in the current catalogue include:

• 0281033582 / P68328041AA,
• 0281014414 / P05094941AD,
• 0281012079 / P05094244AG,
• 0281011475 / P56044561BE,
• 0281013650 / P05187223AB.

Searching with both numbers together provides much more precise identification than a general search such as “Jeep ECU” or “Jeep engine computer”.

Jeep 0281033582 / P68328041AA

One of the current products is the Jeep ECU 0281033582 / P68328041AA.

The module carries both Bosch reference 0281033582 and Jeep OEM number P68328041AA. These references should be compared directly with the original control unit before ordering.

The product is available in locked and ready-for-programming variants, allowing the required version to be selected according to the programming work planned for the vehicle.

Dodge / Jeep 0281014414 / P05094941AD

Some engine control units appear in applications associated with more than one Chrysler-group brand. One example is the Dodge / Jeep ECU Bosch 0281014414 / P05094941AD.

The shared Dodge / Jeep application does not mean that every module can be fitted to every vehicle from either brand. The complete OEM number, Bosch number and vehicle configuration must still be checked.

Jeep 0281012079 / P05094244AG

Another current unit is the Jeep ECU 0281012079 / P05094244AG.

This control unit is listed with Bosch reference 0281012079 together with OEM number P05094244AG. Both identifiers should be retained when comparing the replacement ECU with the original module.

Jeep Grand Cherokee – 0281011475 / P56044561BE

For Jeep Grand Cherokee, the current catalogue includes the Jeep Grand Cherokee ECU Bosch 0281011475 / P56044561BE.

This example demonstrates why a search such as “Grand Cherokee ECU” is only the first step. The final identification should be based on the complete Bosch number 0281011475 and OEM reference P56044561BE.

Jeep 0281013650 / P05187223AB

The range also contains the Jeep Bosch ECU 0281013650 / P05187223AB.

The product is offered with locked and ready-for-programming preparation choices. The required option depends on the vehicle and the procedure that will be carried out after installation.

Dodge / Jeep P05094145AH – Motorola ECU

Not every Jeep module in the category is a Bosch unit. The Dodge / Jeep ECU P05094145AH is listed as a Motorola control unit.

This is an important example of why the manufacturer should also be checked. A Jeep OEM P-number may be associated with a completely different electronics platform from a Bosch 0281... control unit.

Bosch and Motorola Jeep engine control modules

The current Jeep category contains both Bosch and Motorola engine control units. The electronics manufacturer is a useful way to narrow the search, but manufacturer name alone does not confirm compatibility.

For Bosch applications, you can also browse the Bosch automotive electronics section.

The safest identification method is to combine:

• the complete Jeep / Chrysler OEM P-number,
• the Bosch, Motorola or other manufacturer reference,
• vehicle model and production year,
• engine capacity and engine version,
• hardware and software information where required.

Jeep ECU, ECM or PCM – which term should I search for?

Different descriptions may be used for Jeep engine electronics, including ECU, ECM, PCM, engine controller, engine computer and Powertrain Control Module.

For finding the correct replacement part, the terminology is less important than the exact reference printed on the module. Searching for P56044561BE or 0281011475, for example, is much more precise than searching only for “Jeep PCM”.

Jeep and Dodge shared ECU applications

Some engine control units in the Auto24Parts catalogue are described for both Jeep and Dodge applications. Examples include 0281014414 / P05094941AD and P05094145AH.

This reflects shared electronic systems in selected applications, but it should not be interpreted as universal interchangeability. The exact part numbers and vehicle specification should always be verified.

Used / locked Jeep ECU

A standard used / locked Jeep ECU or PCM normally retains data from the vehicle in which it was previously installed. This version is mainly intended for workshops or automotive electronics specialists with suitable programming equipment.

Depending on the control-unit type, further work may include resetting, programming, immobiliser adaptation or transfer of vehicle-specific data.

Jeep ECU ready for programming

Several current Jeep products are offered in a ready-for-programming variant in addition to the standard locked version.

The exact preparation procedure depends on the ECU and the vehicle. Not every Jeep control unit supports every preparation method, so the available product variant should always be checked before ordering.

More information can be found on the ECU preparation options page.

Jeep ECU cloning

For selected compatible control units, ECU cloning may be another possible solution. If the required information can be correctly read from the original module, relevant vehicle-specific data may be transferred to a compatible replacement ECU.

The possibility of cloning depends on the control-unit type and the condition of the original module. If the required data cannot be recovered, another preparation method may be necessary.

Common symptoms that may indicate a Jeep ECU problem

Symptoms that appear to indicate a defective engine computer can also result from wiring, power-supply, sensor or communication faults. Proper diagnosis should therefore be carried out before replacing the ECU.

• engine does not start,
• no diagnostic communication with the ECU or PCM,
• engine stalls or is difficult to restart,
• limp mode or reduced engine power,
• injector or ignition-control faults,
• fuel-pressure or turbocharger-control problems,
• incorrect throttle response,
• CAN communication faults,
• repeated diagnostic trouble codes,
• internal ECU memory or electronics faults.

Before replacing the module, check battery voltage, ECU power supply, ground connections, fuses, relays, connectors and the wiring harness. A fault code alone does not prove that the Jeep ECU itself is defective.

Jeep ECU and PCM modules by exact part number

The current Jeep category can be searched directly using these number combinations:

• 0281033582 / P68328041AA – Jeep ECU
• 0281014414 / P05094941AD – Dodge / Jeep ECU
• 0281012079 / P05094244AG – Jeep ECU
• P05094145AH – Dodge / Jeep Motorola ECU
• 0281011475 / P56044561BE – Jeep Grand Cherokee ECU
• 0281013650 / P05187223AB – Jeep ECU

How to check Jeep ECU compatibility before ordering

Take a clear photo of the complete original control-unit label. The Jeep / Chrysler OEM P-number, Bosch, Motorola or other electronics manufacturer reference and all additional hardware or software identifiers should be readable.

If you need help identifying the correct module, contact Auto24Parts and send the photo together with the Jeep model, model year, engine capacity, power output and engine version.

For other vehicle makes, browse the complete engine control unit catalogue. Other Jeep electronic components can also be found in the Jeep ABS pump category.

Before ordering, you can also review our How to Buy guide, Shipping & Delivery information and Returns, Warranty & Complaints conditions.

FAQ – Jeep ECU, PCM and Engine Control Modules