# Service bulletin B23040A

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.

- Type: Service bulletin
- NHTSA id: 10237044
- Published by NHTSA: 2023\-05\-31
- Manufacturer's number: B23040A
- Manufacturer's date: 2023\-05\-17
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Service News \- The navigation clock and date are incorrect. This is due to a limited GPS receiver capacity resulting in rollover of internal chip memory. The rollover occurred on January 1, 2022 at 12:00AM local time

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237044-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237044-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2005 to 2009 ACURA MDX
- 2007 to 2012 ACURA RDX
- 2005 to 2012 ACURA RL
- 2007 to 2008 ACURA TL
- 2006 to 2010 ACURA TSX

## Recalls for the same vehicles and component

- [13V093000](/recalls/nhtsa/13V093000.md), 2013-03-15: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING
- [2013082](/recalls/tc/2013082.md), 2013-03-14: Electrical
- [12V573000](/recalls/nhtsa/12V573000.md), 2012-12-11: ELECTRICAL SYSTEM:IGNITION:SWITCH

## Other bulletins for the same vehicles and component

- [B21120A](/bulletins/10207004.md), 2022-02-04, Service bulletin: ELECTRICAL SYSTEM. ServiceNews Article \- The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a result, the navigation date and time will be incorrect.
- [SB\-08\-057](/bulletins/10198910.md), 2021-07-06, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. HandsFreeLink \(HFL\) Doesn?t Work, or Battery Is Too Low to Start the Engine: The HandsFreeLink \(HFL\) system doesn?t work, and/or the battery sometimes won?t start the vehicle.
- [B\-08\-057](/bulletins/10191130.md), 2021-04-30, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. SYMPTOM The HandsFreeLink \(HFL\) system doesn’t work, and/or the battery sometimes won’t start the vehicle. PROBABLE CAUSE The HFL control unit has an internal problem, which creates a parasitic current draw of 250 mA CORRECTIVE ACTION Do the REPAIR PROCEDURE, which includes a diagnosis, and if necessary, replace the HFL control unit.
- [B18100D](/bulletins/10146073.md), 2018-10-29, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Servicenews article \- Is the MIL on with DTC P2271 \(secondary HO2S \[sensor 2\] circuit signal stuck rich\)? What's likely causing this is the PCM is misinterpreting the A/F sensor \(sensor 1\) signals, causing the PCM to think that sensor 2 is stuck rich.
- [BTS180603](/bulletins/10142451.md), 2018-07-02, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Tech line summary article \- Is the MIL on with DTC P2271 \(secondary HO2S \[sensor 2\] circuit signal stuck rich\)? What's likely causing this is the PCM is misinterpreting the A/F sensor \(sensor 1\) signals, causing the PCM to think that sensor 2 is stuck rich. To fix this issue, replace both sensors.
- [DLR MSG \- RFP \-](/bulletins/10141148.md), 2018-06-18, Service bulletin: ELECTRICAL SYSTEM. Dealer message \- American Honda \(AHM\) is investigating certain 2004\-2008 TLs \& TSXs with a complaint of the Malfunction Indicator Lamp \(MIL\) on with the DTC P2138 \(Accelerator Pedal Position Sensor A/B Incorrect Voltage Correlation\) stored and poor engine performance. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any further repair of any kind.
- [BTS180402](/bulletins/10135110.md), 2018-05-07, Service bulletin: ELECTRICAL SYSTEM. Tech line summary article \- When adding keys or running the System Check with the Immobilizer Setup Tool in the i\-HDS, are you seeing this message? "Immobilizer system is not normal". We?re aware of this issue and have it under investigation.
- [BTS180401](/bulletins/10135109.md), 2018-05-07, Service bulletin: EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES; ELECTRICAL SYSTEM. Tech line summary article \- Can?t get past this screen when adding keys with the Immobilizer Setup Tool in the i\-HDS? "Tester is not communicating with immobilizer unit". Here?s an easy workaround to restore communication. 1. Release the built\-in key from the keyless access remote. 2. Remove the ignition switch cover. To do this, just insert the key into the slot in the bottom of the cover, push the key all the way in, then pull out on the cover and the key. 3. Insert the key into the ignition switch, then turn it to ON. 4. Select OK on the i\-HDS screen to continue.
- [B18010F](/bulletins/10130041.md), 2018-03-13, Service bulletin: ENGINE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Servicenews article \- Some clients may complain that the Low Oil Pressure indicator comes on, requiring engine oil to be added, while others who routinely check the oil level as recommended in their owner?s manual may find that oil consumption has exceeded their expectations.
- [Service Bulletin](/bulletins/10129481.md), 2018-03-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service bulletin \- The starter motor intermittently grinds in cold weather. The starter clutch housing may be out of specification, causing uneven loading between the clutch roller and the starter pinion.

JSON: [/v1/bulletins/10237044](/v1/bulletins/10237044)

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