2021-2022 Toyota Camry Reduced Engine Power TSB
Toyota has issued a Technical Service Bulletin (TSB 10251747) for certain 2021-2022 Camry, Avalon, and RAV4 models with the A25A-FKS engine. This TSB addresses instances of reduced engine power and a Malfunction Indicator Lamp (MIL) illumination, often accompanied by specific throttle body…
David Chen2021 Toyota Camry
Also applies to
- Toyota Avalon
- 2021
- Toyota Camry
- 2022
- Toyota RAV4
- 2021–2022
Symptoms
Owners of affected vehicles may notice one or more of the following symptoms, particularly in freezing temperatures:
- Reduced engine power during operation.
- The Malfunction Indicator Lamp (MIL) illuminated, commonly known as the "Check Engine" light.
Fault Codes / DTCs
When diagnosing this issue, technicians may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the vehicle's system:
| Code | Description |
|---|---|
| P01201C | Throttle / Pedal Position Sensor / Switch “A” Circuit Voltage Out of Range |
| P210015 | Throttle Actuator “A” Control Motor Circuit Short to Battery or Open |
| P210019 | Throttle Actuator “A” Control Motor Circuit Current Above Threshold |
| P211172 | Throttle Actuator “A” Control System Actuator Stuck Open |
Diagnosis / Trigger Conditions
This condition is specifically noted to occur in freezing temperatures. The presence of the listed DTCs indicates a problem with the throttle body or its related sensors and actuators.
Repair Procedure Summary
Toyota has developed a solution to address these conditions. The Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), logic has been modified. Additionally, the fuel pump assembly has been updated.
To resolve the issue, a Toyota technician will update the ECM with the revised software. Depending on the diagnosis, the fuel pump assembly may also be replaced or modified according to the bulletin's instructions.
Owner Action
If your 2021-2022 Toyota Camry exhibits reduced engine power or a check engine light with any of the described DTCs, especially in cold weather, it is recommended to contact your authorized Toyota dealer. The dealer will perform the necessary diagnostic checks and apply the updated ECM logic and any required fuel pump assembly modifications as outlined in TSB 10251747. This repair is expected to be covered under warranty.
Source: NHTSA ID 10251747
Frequently Asked Questions
- What does 'reduced engine power' mean for my Toyota Camry?
- Reduced engine power means your vehicle's engine is not performing at its full capacity, which can result in slower acceleration, difficulty maintaining speed, or a general lack of responsiveness. This is often a safety feature to prevent further damage.
- What are the common DTCs associated with the 2021-2022 Toyota Camry reduced engine power issue?
- The common Diagnostic Trouble Codes (DTCs) linked to this issue include P01201C, P210015, P210019, and P211172. These codes specifically point to problems with the throttle body or its related sensors and actuators.
- How does freezing weather affect the throttle body in my Toyota Camry?
- According to the TSB, freezing temperatures can cause the throttle body to malfunction, leading to the reduced engine power and check engine light symptoms. The specific mechanism isn't detailed, but the cold weather is a known trigger.
- What is the fix for the reduced engine power issue in 2021-2022 Toyota Camry models?
- The fix involves updating the Engine Control Module (ECM) logic with revised software and potentially modifying or replacing the fuel pump assembly. These updates are designed to address the throttle body issues that occur in freezing temperatures.
Other revisions of this TSB
- 2021-2022 Toyota MIL ON with DTCs P01201C, P210015P01201C, P210015, P210019
- 2021-2022 Toyota MIL ON with DTCs P01201C, P210015P01201C, P210015, P210019
- 2021-2022 Toyota MIL ON with DTCs in Freezing TemperaturesP01201C, P210015, P210019
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