Jeep GRAND CHEROKEE 2.7 CRD ECU (Engine Management) – Part No: 56044679AA / 0281011409
Common Faults:

• Sporadic no communication with control unit possible, depending on the temperature.
• No communication possible with ECU / error code reading not possible.
• P0606 Control unit – NA.
• P0605 Control unit – Memory error.
• P0204 Injection valve (cylinder 4) – NA.
• P0203 Injection valve (cylinder 3) – NA.
• P0202 Injection valve (cylinder 2) – NA.
• P0201 Injection valve (cylinder 1) – NA.
• No control to the injectors.
• Sensor error, one or more sensors report too high values.
• Other fault on request.

Part Numbers:

• Jeep Part Number – 56044679AA
• Bosch Part number – 0281011409