SSM74402

Service Bulletin Details

Public Details for: SSM74402

Unhelpful headlight control module a&b (hcma&b) dtcs when connected to jlr approved diagnostic tool.


- 2020 -

Models from 2020
2020 JAGUAR XE 
6/5/2019
TOPIx - SSM74402 - Unhelpful Headlight Control Module A&B (HCMA&B) DTCs when connected to JLR approved diagnostic tool.
Reference
SSM74402
Models
XE / X760
Title
Unhelpful Headlight Control Module A&B (HCMA&B) DTCs when connected to JLR approved diagnostic
tool.
Category
Body
Last modified
03-May-2019 00:00:00
Symptom
108000 Ext. Trim/Accessories
Content
X760 XE 20MY Only.
Issue When connected to Pathfinder the following HCMA and/or HCMB DTCs may be set:
B10F3-16 - Left position light - circuit voltage below threshold
B10F4-16 - Right position light - circuit voltage below threshold
B124B-16 - Left Daytime Running Light - circuit voltage below threshold
B124A-16 - Right Daytime Running Light - circuit voltage below threshold
Cause HCM current and PCB voltage is out of phase causing erroneous DTCs as listed above.
Action No action is required. There is no detrimental effect on the headlamps performance, Do not
replace the headlamp as the same DTCs will reoccur. New Software will be released with new low
voltage threshold for DTC setting.
https://topix.jaguar.jlrext.com/topix/content/document/view?id=989871
1/1

© dot.report 2024

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.