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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

If a trouble code is displayed during the DTC check, inspect the circuit listed for that code. For details of each code, refer to the "See" in the DTC chart.

TIRE PRESSURE WARNING SYSTEM:

DTC Code Detection Item Trouble Area See
C2111/11 Transmitter ID1 Operation Stop 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2111/11: Transmitter ID1 Operation Stop; DTC C2112/12: Transmitter ID2 Operation Stop; DTC C2113/13: Transmitter ID3 Operation Stop; DTC C2114/14: Transmitter ID4 Operation Stop; DTC C2115/15: Transmitter ID5 Operation Stop
C2112/12 Transmitter ID2 Operation Stop 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2111/11: Transmitter ID1 Operation Stop; DTC C2112/12: Transmitter ID2 Operation Stop; DTC C2113/13: Transmitter ID3 Operation Stop; DTC C2114/14: Transmitter ID4 Operation Stop; DTC C2115/15: Transmitter ID5 Operation Stop
C2113/13 Transmitter ID3 Operation Stop 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2111/11: Transmitter ID1 Operation Stop; DTC C2112/12: Transmitter ID2 Operation Stop; DTC C2113/13: Transmitter ID3 Operation Stop; DTC C2114/14: Transmitter ID4 Operation Stop; DTC C2115/15: Transmitter ID5 Operation Stop
C2114/14 Transmitter ID4 Operation Stop 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2111/11: Transmitter ID1 Operation Stop; DTC C2112/12: Transmitter ID2 Operation Stop; DTC C2113/13: Transmitter ID3 Operation Stop; DTC C2114/14: Transmitter ID4 Operation Stop; DTC C2115/15: Transmitter ID5 Operation Stop
C2115/15 Transmitter ID5 Operation Stop 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2111/11: Transmitter ID1 Operation Stop; DTC C2112/12: Transmitter ID2 Operation Stop; DTC C2113/13: Transmitter ID3 Operation Stop; DTC C2114/14: Transmitter ID4 Operation Stop; DTC C2115/15: Transmitter ID5 Operation Stop
C2121/21 No Signal from Transmitter ID1 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2122/22 No Signal from Transmitter ID2 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2123/23 No Signal from Transmitter ID3 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2124/24 No Signal from Transmitter ID4 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2125/25 No Signal from Transmitter ID5 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2126/26 Transmitter ID not Received in Main Mode 1. ID registration failure
2. Tire pressure warning valve and transmitter
3. Tire pressure warning antenna and receiver
4. Wire harness or connector
5. Tire pressure warning ECU		 Refer to DTC C2126/26: Transmitter ID not Received in Main Mode
C2141/41 Transmitter ID1 Error 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2141/41: Transmitter ID1 Error; DTC C2142/42: Transmitter ID2 Error; DTC C2143/43: Transmitter ID3 Error; DTC C2144/44: Transmitter ID4 Error; DTC C2145/45: Transmitter ID5 Error
C2142/42 Transmitter ID2 Error 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2141/41: Transmitter ID1 Error; DTC C2142/42: Transmitter ID2 Error; DTC C2143/43: Transmitter ID3 Error; DTC C2144/44: Transmitter ID4 Error; DTC C2145/45: Transmitter ID5 Error
C2143/43 Transmitter ID3 Error 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2141/41: Transmitter ID1 Error; DTC C2142/42: Transmitter ID2 Error; DTC C2143/43: Transmitter ID3 Error; DTC C2144/44: Transmitter ID4 Error; DTC C2145/45: Transmitter ID5 Error
C2144/44 Transmitter ID4 Error 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2141/41: Transmitter ID1 Error; DTC C2142/42: Transmitter ID2 Error; DTC C2143/43: Transmitter ID3 Error; DTC C2144/44: Transmitter ID4 Error; DTC C2145/45: Transmitter ID5 Error
C2145/45 Transmitter ID5 Error 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU		 Refer to DTC C2141/41: Transmitter ID1 Error; DTC C2142/42: Transmitter ID2 Error; DTC C2143/43: Transmitter ID3 Error; DTC C2144/44: Transmitter ID4 Error; DTC C2145/45: Transmitter ID5 Error
C2165/65 Abnormal Temperature Inside ID1 Tire 1. Tires
2. Tire pressure warning valve and transmitter
3. Tire pressure warning ECU		 Refer to DTC C2165/65: Abnormal Temperature Inside ID1 Tire; DTC C2166/66: Abnormal Temperature Inside ID2 Tire; DTC C2167/67: Abnormal Temperature Inside ID3 Tire; DTC C2168/68: Abnormal Temperature Inside ID4 Tire; DTC C2169/69: Abnormal Temperature Inside ID5 Tire
C2166/66 Abnormal Temperature Inside ID2 Tire 1. Tires
2. Tire pressure warning valve and transmitter
3. Tire pressure warning ECU		 Refer to DTC C2165/65: Abnormal Temperature Inside ID1 Tire; DTC C2166/66: Abnormal Temperature Inside ID2 Tire; DTC C2167/67: Abnormal Temperature Inside ID3 Tire; DTC C2168/68: Abnormal Temperature Inside ID4 Tire; DTC C2169/69: Abnormal Temperature Inside ID5 Tire
C2167/67 Abnormal Temperature Inside ID3 Tire 1. Tires
2. Tire pressure warning valve and transmitter
3. Tire pressure warning ECU		 Refer to DTC C2165/65: Abnormal Temperature Inside ID1 Tire; DTC C2166/66: Abnormal Temperature Inside ID2 Tire; DTC C2167/67: Abnormal Temperature Inside ID3 Tire; DTC C2168/68: Abnormal Temperature Inside ID4 Tire; DTC C2169/69: Abnormal Temperature Inside ID5 Tire
C2168/68 Abnormal Temperature Inside ID4 Tire 1. Tires
2. Tire pressure warning valve and transmitter
3. Tire pressure warning ECU		 Refer to DTC C2165/65: Abnormal Temperature Inside ID1 Tire; DTC C2166/66: Abnormal Temperature Inside ID2 Tire; DTC C2167/67: Abnormal Temperature Inside ID3 Tire; DTC C2168/68: Abnormal Temperature Inside ID4 Tire; DTC C2169/69: Abnormal Temperature Inside ID5 Tire
C2169/69 Abnormal Temperature Inside ID5 Tire 1. Tires
2. Tire pressure warning valve and transmitter
3. Tire pressure warning ECU		 Refer to DTC C2165/65: Abnormal Temperature Inside ID1 Tire; DTC C2166/66: Abnormal Temperature Inside ID2 Tire; DTC C2167/67: Abnormal Temperature Inside ID3 Tire; DTC C2168/68: Abnormal Temperature Inside ID4 Tire; DTC C2169/69: Abnormal Temperature Inside ID5 Tire
C2171/71 Transmitter ID not Registered Tire pressure warning ECU Refer to DTC C2171/71: Transmitter ID not Registered
C2173/73 Vehicle Speed or Engine Speed Signal Malfunction 1. Combination meter
2. ECM
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2173/73: Vehicle Speed or Engine Speed Signal Malfunction
C2176/76 Receiver Error Tire pressure warning ECU Refer to DTC C2176/76: Receiver Error
C2177/77 Initialization not Completed 1. Tire pressure warning valve and transmitter
2. Tire pressure warning ECU
3. Tire pressure warning antenna and receiver
4. Tire pressure warning reset switch
5. Wire harness or conne		 Refer to DTC C2177/77: Initialization not Completed
C2181/81 Transmitter ID1 not Received (Test Mode DTC) 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2182/82 Transmitter ID2 not Received (Test Mode DTC) 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2183/83 Transmitter ID3 not Received (Test Mode DTC) 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2184/84 Transmitter ID4 not Received (Test Mode DTC) 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2185/85 Transmitter ID5 not Received (Test Mode DTC) 1. Tire pressure warning valve and transmitter
2. Tire pressure warning antenna and receiver
3. Wire harness or connector
4. Tire pressure warning ECU		 Refer to DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC)
C2191/91 Vehicle Speed Signal Error (Test Mode DTC) 1. Vehicle speed sensor
2. Tire pressure warning ECU
3. Combination meter
4. Wire harness or connector		 Refer to DTC C2191/91: Vehicle Speed Signal Error (Test Mode DTC)
C2194/94 Engine Speed Signal Error (Test Mode DTC) 1. ECM
2. Wire harness or connector
3. Tire pressure warning ECU		 Refer to DTC C2194/94: Engine Speed Signal Error (Test Mode DTC)
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