LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 521 (Automatic Transmission Shift Control System - Diagnosis) >> Diagnostic Trouble Code Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

If a trouble code is displayed during the DTC check, check the circuit listed for that code in the table below and proceed to the appropriate page.

HINT:

Fig 1: DTC Diagnosis Table
G02918299Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description
DTC C2300  ACT SYSTEM MALFUNCTION
DTC C2301  SHIFT CHANGING TIME MALFUNCTION
DTC C2303  RELAY MALFUNCTION (+B SHORT)
DTC C2304  OPEN OR SHORT CIRCUIT IN U PHASE
DTC C2305  OPEN OR SHORT CIRCUIT IN V PHASE
DTC C2306  OPEN OR SHORT CIRCUIT IN W PHASE
DTC C2307  POWER SOURCE MALFUNCTION
DTC C2310  OPEN OR SHORT CIRCUIT IN BATT
DTC C2311  HV COMMUNICATION LINE MALFUNCTION
DTC C2312  POWER SOURCE CONTROL ECU COMMUNICATION LINE MALFUNCTION
DTC C2315  HV SYSTEM MALFUNCTION
DTC C2318  LOW VOLTAGE ERROR (POWER SUPPLY MALFUNCTION)