Service bulletins for the 2004 Bentley Arnage
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.
47 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| 2069806/5 | 2024-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC refrigerant leakage suspected or reports of a damp/musty smell within the cabin - Diagnosis guidelines. Customer statement / workshop findings: HVAC not cooling / HVAC cooling less than expected / HVAC refrigerant leakage confirmed Or The customer reports a damp/musty smell within the cabin Note: For this scenario please see the pre requisites below - Should no HVAC leak be evident and a damp/musty smell has been reported/identified the operative should first confirm that water is not leaking into the cabin please refer to all VIN applicable TPIs - Should there be no water leaks evident, the operative should check the HVAC and body drains for blockages, in the event the drains are blocked the drains must be unblocked, once this has been completed the operative should confirm if the damp/musty smell is still evident. |
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| 2051562/12 | 2024-04-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 12 Volt - Battery condition checks. Customer statement / workshop findings: 12 volt battery flat or unserviceable Technical background: For all 12 volt battery issues relating to warranty or a parts warranty claim refer to the instructions within the Measure section. |
| 2072055/1 | 2023-12-07. Service bulletin. ELECTRICAL SYSTEM. Spurious DTC identification. Customer statement / workshop findings: Customers will not be aware of any DTCs, workshop operatives may discover spurious DTCs whilst running Guided Fault Finding (GFF) when using ODIS Technical background: To determine the course of action which should be taken the operative should refer to the Bentley Hub referencing the following: Spurious DTC list for TPI 2072055 The document contains all known spurious DTCs for all applicable vehicle variants. |
| 2061195/3 | 2023-11-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Telephone Functionality Complaint - Minimum Standards Required For Analysis Of Concerns. Customer statement / workshop findings: The feedback method within this TPI is required should a complaint of telephone functionality and/or quality be reported. Technical background: The minimum standards check list document within the Measure section is required to capture an accurate description of customer telephone issues. |
| 2051562/11 | 2023-10-06. Service bulletin. ELECTRICAL SYSTEM. 12 Volt - Battery condition checks. Customer statement / workshop findings: 12 volt battery flat or unserviceable Technical background: For all 12 volt battery issues relating to warranty or a parts warranty claim refer to the instructions within the Measure section |
| 2053177/19 | 2023-10-06. Service bulletin. ELECTRICAL SYSTEM. All Vehicle Variants - Spurious DTC List. Customer statement / workshop findings: Customers will not be aware of any fault codes Workshop may discover spurious fault codes whilst running a Diagnostic Trouble Code (DTC) log as part of other investigations on the vehicle Technical background: The operative should refer to the Bentley Hub referencing TPI 2053177/- The document (loaded onto the Hub) contains all of the current known Spurious DTCs for all vehicle variants Should a particular TPI be listed as Archived, the TPI can no longer be viewed within Elsa pro, in this case please refer to the instructions within TPI 2053177/- regarding the DTC description and actions which should be conducted (if any). |
| 2069806/3 | 2023-09-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC refrigerant leakage suspected Or reports of a damp/musty smell within the cabin - Diagnosis guidelines. Customer statement / workshop findings: HVAC not cooling / HVAC cooling less than expected / HVAC refrigerant leakage confirmed Or The customer reports a damp/musty smell within the cabin Note: For this scenario please see the pre requisites below - Should no HVAC leak be evident and a damp/musty smell has been reported/identified the operative should first confirm that water is not leaking into the cabin please refer to all VIN applicable TPIs particularly TPI 2062622/- - Should there be no water leaks evident, the operative should check the HVAC and body drains for blockages, in the event the drains are blocked the drains must be unblocked, once this has been completed the operative should confirm if the damp/musty smell is still evident. |
| 2069806/2 | 2023-09-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY; ELECTRICAL SYSTEM. HVAC refrigerant leakage suspected Or reports of a damp/musty smell within the cabin - Diagnosis guidelines. Customer statement / workshop findings: HVAC not cooling / HVAC cooling less than expected / HVAC refrigerant leakage confirmed Or The customer reports a damp/musty smell within the cabin Note: For this scenario please see the pre requisites below - Should no HVAC leak be evident and a damp/musty smell has been reported/identified the operative should first confirm that water is not leaking into the cabin please refer to all VIN applicable TPIs particularly TPI 2062622/- - Should there be no water leaks evident, the operative should check the HVAC and body drains for blockages, in the event the drains are blocked the drains must be unblocked, once this has been completed the operative should confirm if the damp/musty smell is still evident. In the event that HVAC cleaning products are required, these MUST be sourced locally. Before using the cleaner the operative must inform the customer of the product which will be used, a neutral fragrance cleaner should be used as the customer may not like the smell of the cleaner should a fragranced product be used Please ensure all supporting information is included within the DISS query when requesting permission to clean the HVAC system including clear photographs and/or videos showing the reported issue, should the required information not be supplied the warranty claim could be cancelled. |
| 2051187/9 | 2023-08-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: - Poor engine running - Reduced power - Engine warning lamp illuminated - Symptom related DTCs evident within the applicable engine control unit(s) Technical background: Technical Product Information (TPI) to assist retailers when diagnosing poor engine running or misfires. |
| 2069806.1 | 2023-05-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. HVAC Refrigerent Leakage - Diagnosis Guidelines Customer Statement: -HVAC not cooling or HVAC cooling less than expected |
| 2036678.5 | 2023-02-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Speaker Replacement - Diagnostic Checks Technical Background: -There have been instances where door speakers have been changed under warranty for the complaint of sound distortion, yet when tested by ourselves and the supplier, no fault could be found with the returned unit. |
| 2051187.8 | 2022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Poor Engine Running Complaints (Misfires) Petrol Engines Only Customer Statement: -Poor engine running, reduced power, engine warning lamp illuminated. |
| 2061195.2 | 2022-12-08. Service bulletin. ELECTRICAL SYSTEM. Telephone Functionality Complaint- Minimum Standards Required For Analysis of Concerns Customer Statement: -The feedback method within this TPI is required should a complaint of telephone functionality and/or quality be reported. |
| 2051562.10 | 2022-12-08. Service bulletin. ELECTRICAL SYSTEM. 12 Volt - Battery Test Instruction Technical Background: -For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the measure of this section of this TPI. |
| 2051187.7 | 2022-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Poor Engine Running Complaints (Misfires) Petrol Engines Only Customer Statement: -Poor engine running, reduced power, engine warning lamp illuminated. |
| 2051562.9 | 2022-11-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 12 Volt- Battery Condition Checks. Technical background For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the Measure section of this TPI. |
| 2051562/8 | 2021-11-04. Service bulletin. ELECTRICAL SYSTEM. 12 Volt - Battery condition checks. Customer statement / workshop findings: 12 Volt Battery test instruction Technical background: For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the Measure section of this TPI |
| 2051562/7 | 2021-10-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 12 Volt - Battery condition checks. Customer statement / workshop findings: 12 Volt Battery test instruction Technical background: For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the Measure section of this TPI |
| 2036678/4 | 2021-10-05. Service bulletin. ELECTRICAL SYSTEM. Speaker Replacement - Diagnostic checks. Customer statement / workshop findings: Audio output from speakers is distorted Technical background: There have been instances where door speakers have been changed under warranty for the complaint of sound distortion, yet when tested by ourselves and the supplier, no fault could be found with the returned unit. Production change: All speakers are subjected to a dynamic test and the individual results recorded for future reference |
| 2051187/6 | 2021-10-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: Poor engine running, reduced power, engine warning lamp illuminated. Technical background: Technical Product Information (TPI) to assist Retailers when diagnosing poor engine running or misfire. Measure: The following TPI should be carried out sequentially to ensure the root cause and analysis of the concern are identified without unnecessary work or repetitive actions taking place. |
| 2061195/1 | 2020-12-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Telephone Functionality Complaint - Minimum Standards Required For Analysis Of Concerns. Customer statement / workshop findings: The feedback method within this TPI is required should a complaint of telephone functionality and/or quality be reported. Technical background: The minimum standards check list document within the Measure section is required to capture an accurate description of customer telephone issues. |
| 2051562/6 | 2020-12-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. All Models - 12 Volt Battery condition checks. Technical background For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the Measure section of this TPI. |
| 2058173/2 | 2020-11-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Electrical switch replacement guidelines. Customer statement/workshop findings: Electrical switch suspected as defective This TPI is not applicable to suspected faulty control units or any component related to the passive restraint system in particular the airbag system Technical background: Prior to replacing an electrical switch refer to the Measure section of this TPI |
| 2058173/1 | 2020-02-08. Service bulletin. ELECTRICAL SYSTEM. Electrical switch replacement guidelines Customer statement / workshop findings: Electrical switch suspected as defective This TPI is not applicable to suspected faulty control units or any component related to the passive restraint system in particular the airbag system Technical background: Prior to replacing an electrical switch refer to the Measure section of this TPI |
| 2051187/5 | 2020-01-09. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Condition: Poor engine running, reduced power, engine warning lamp illuminated. Technical Background: Technical Product Information (TPI) to assist Retailers when diagnosing poor engine running or misfires. Service: The following TPI should be carried out sequentially to ensure the root cause and analysis of the concern are identified without unnecessary work or repetitive actions taking place. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.