Service bulletins for the 2013 Land Rover LR4
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
310 on file from NHTSA, as of 2026-10-19.
About P0504 on the 2013 Land Rover LR4: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
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Only bulletins with trouble code: P0504 are shown. Show all
| SSM52757 | 2021-11-08. Service bulletin. SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Brake Switch Adjustment and Setting Procedure - Excessfive brake pedal pressure required to get the auto transmission out of park, warning lights on the instrument pack with associated DTCs for brake light switch (P0504-27, P0504-62, C1A96-64) or brakes s |
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| SSM527572 | 2021-11-08. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. Brake Switch Adjustment and Setting Procedure - Excessfive brake pedal pressure required to get the auto transmission out of park, warning lights on the instrument pack with associated DTCs for brake light switch (P0504-27, P0504-62, C1A96-64) or brakes showing signs of drag and binding. |
| SSM52757 | 2017-06-12. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN:AUTOMATIC TRANSMISSION; EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. "ISSUE: EXCESSIVE BRAKE PEDAL PRESSURE REQUIRED TO GET THE AUTO TRANSMISSION OUT OF PARK, WARNING LIGHTS ON THE INSTRUMENT PACK WITH ASSOCIATED DTC'S FOR BRAKE LIGHT SWITCH (P0504-27, P0504-62, C1A96-64) OR BRAKES SHOWING SIGNS OF DRAG AND BINDING. CAUSE: INCORRECT BRAKE LIGHT SWITCH SETTING. NOTE: ANALYSIS OF RETURNED BRAKE SWITCHES HAVE SHOWN NO ISSUES WITH THE BRAKE SWITCH ITSELF. DO NOT REPLACE THE SWITCH BEFORE ADJUSTMENT IS CARRIED OUT." |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.