Dorman 318-123 engine control module (ecm) for the 1999 Jeep Grand Cherokee 6-cylinder 4.0L is a remanufactured unit that reads sensor inputs to control ignition and fueling. It is tested to meet original equipment performance.
- Remanufactured and tested in a dedicated facility to ensure durability
- Functional testing includes hot and cold chamber testing
- Flashable design with no removable PROM
- Part of the Dorman OE Solutions line
Quick facts
- Part: Dorman 318-123 engine control module (ecm)
- Fits: 1999 Jeep Grand Cherokee 6-cylinder 4.0L
- Condition: Remanufactured
A lit check engine light, a no-start or rough running can be signs of a failing engine control module, which some makers also call a powertrain control module. A faulty sensor, damaged wiring or a weak battery can be behind those signs too, so find the cause before buying a replacement. The engine takes one module.
Fits
This ECM is a direct-fit replacement for the 1999 Jeep Grand Cherokee 6-cylinder 4.0L.
Specifications
Fit and size
- Quantity per vehicle: 1
- Mounting holes: 3
- Connectors: 3, female, rectangular, gray
- Terminals: 93, male pin
Build and materials
- Condition: Remanufactured
- Flashable: Yes
- Removable PROM: No
- Country of origin: United States
In the box
One engine control module. A wire harness and mounting hardware are not included.
Installation notes
- Flash programming is not required.
Interchange: 79-1423V
ECC3411M · 56041423AB · 56041423AC · 56041423AD · 56041423AE · 56041423AF · 56041423AG · 56041423AH · R6041423AH
This part cross-references / interchanges with the following part numbers:
ECC3411M, 79-1423V, 56041423AB, 56041423AC, 56041423AD, 56041423AE, 56041423AF, 56041423AG, 56041423AH, R6041423AH
Frequently Asked Questions
Is this remanufactured ECM the right ecm for a 1999 Jeep Grand Cherokee 6-cylinder 4.0L?
Yes. Dorman 318-123 is listed for the 1999 Jeep Grand Cherokee 6-cylinder 4.0L, and that engine takes one module.
Does the Dorman 318-123 come with a wire harness or mounting hardware?
No. This listing is one engine control module only. The wire harness and mounting hardware are not included.
How many pin terminals does this ECM have?
It has 93 male pin terminals spread across three connectors. The connectors are female, rectangular and gray.
Does this remanufactured ECM need flash programming before installation?
No. Flash programming is not required for this module. It is flashable and has no removable PROM.
What testing does this remanufactured ECM go through?
It is tested in a dedicated facility for functionality, including hot and cold chamber testing, to meet original equipment performance.
