Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
INTERSYSTEM Affiliated DTC Reference Table
For vehicles with CAN, when DTC which influences the transmission data is set to the ECU which sends the data, DTC also could be set to the ECU which receives and controls the transmission data. The table below shows the relativity of DTC between ECUs. In addition, the alphabet shows the following DTC.
- A: TCL - DTC No. U1073 (Refer to TRACTION CONTROL SYSTEM DIAGNOSIS .
- B: TCL - DTC No. U1120 (Refer to TRACTION CONTROL SYSTEM DIAGNOSIS .)
- C: Air conditioner - DTC No. U1120 (Refer to MANUAL A/C DIAGNOSIS .)
- D: SWS - DTC No. U1128 (Refer to SWS DIAGNOSIS .)
| CAUSAL DTC NO. | DTC SET NO. | ||||
|---|---|---|---|---|---|
| SYSTEM NAME | DTC NO. | A | B | C | D |
| Engine (<2.4 L engine> Refer to MULTIPORT FUEL INJECTION (MFI) <2.4L> . <3.8 L engine> Refer to MULTIPORT FUEL INJECTION (MFI) <3.8L> .) | P0101, P0102, P0103, P0111, P0112, P0113, P0116, P0122, P0123, P0125, P0134, P0154, P0171, P0172, P0174, P0175 | x | |||
| P0117, P0118 | x | x | |||
| P0201, P0202, P0203, P0204, P0205, P0206, P0222, P0223 | x | ||||
| P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0325, P0335, P0340 | x | ||||
| P0506, P0507 | x | ||||
| P0638, P0657 | x | ||||
| P1601, P2108, P2127, P2128, P2135, P2227, P2228 | x | ||||
| P2138 | x | x | |||
| P2122, P2123 | x | x | |||
| Combination meter (Refer to COMBINATION METER DIAGNOSIS .) | U1120 | x | |||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.