Land Rover P2177
00 for lean bank 1. Cause: Some vehicles have been found to have damaged air intake hose on the left side. Action: Check left side air duct for any damage. Part number, LR157563. I
Quick answer
For certain 2022–2023 US Land Rover Range Rover vehicles, P2177-00 may be associated with a damaged left-side air intake hose. Land Rover’s communication instructs inspection of the left-side air duct; if a tear is found, the intake hose is to be replaced with part LR157563 and an EPQR submitted referencing SSM75993.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does P2177 mean?
For certain 2022–2023 US Land Rover Range Rover vehicles, P2177-00 may be associated with a damaged left-side air intake hose. Land Rover’s communication instructs inspection of the left-side air duct; if a tear is found, the intake hose is to be replaced with part LR157563 and an EPQR submitted referencing SSM75993.
2. Technical explanation
P2177-00 is described in the verified manufacturer communication as “lean bank 1.” For the covered vehicles, Land Rover identified that some vehicles had a damaged air intake hose on the left side. A tear in that hose can be relevant when the vehicle has this DTC.
3. What system is affected?
Air intake system, specifically the left-side air intake hose/air duct.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Rough engine idle.
- Malfunction Indicator Lamp (MIL) illuminated.
- Transmission not shifting correctly under load.
6. Possible causes
- A damaged or torn left-side air intake hose/air duct.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange inspection of the left-side air duct by a qualified Land Rover service provider.
- Provide the service provider with DTC P2177-00 and reference Land Rover SSM75993.
10. Step-by-step troubleshooting
- Check the left-side air duct for damage.
- If a tear is present as described in SSM75993, replace the intake hose and submit an EPQR referencing the SSM.
11. When to contact service
Contact an authorized Land Rover service provider for inspection of the left-side air intake hose/air duct, particularly if rough idle, a MIL, transmission shifting concerns under load, or P2177-00 are present.
12. What the service center may check
- Inspect the left-side air duct for damage or a tear.
- Confirm whether the intake hose requires replacement.
- If replacement is required, use intake hose part number LR157563.
- Submit an EPQR referencing SSM75993 if the tear described in the communication is found.
13. Possible repair or resolution
- Replace the left-side intake hose with part number LR157563 if a tear is found, as directed by SSM75993.
14. Affected vehicles
- Land Rover Range Rover · 2022–2023 · US
15. Related TSBs / service bulletins
- Land Rover SSM75993, published May 3, 2023: L460/L461 P6 engine including PHEV—rough idle, MIL on, and P2177-00 lean bank 1. The communication directs inspection of the left-side air duct and replacement of a torn intake hose with LR157563.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official source: NHTSA-hosted Land Rover manufacturer communication SSM75993, published May 3, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10237547-0001.pdf. Verified applicability: 2022–2023 Land Rover Range Rover, US. The source title also references L460 New Range Rover Sport and L461; model-specific applicability beyond the supplied verified applicability is not yet established by verified evidence.
19. Frequently asked questions
What does P2177-00 mean in this Land Rover communication?
The communication describes P2177-00 as “lean bank 1.”
What fault did Land Rover identify?
Some vehicles were found to have a damaged air intake hose on the left side.
What should be inspected?
The left-side air duct should be checked for damage.
What part is specified if the hose is torn?
The specified intake hose part number is LR157563.
Which vehicles are verified as applicable?
The supplied verified applicability identifies US-market 2022–2023 Land Rover Range Rover vehicles.