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.
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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 723 (IMA SYSTEM)DTC TROUBLESHOOTING INDEX
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
DTC Troubleshooting Index
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION DTC Troubleshooting Index
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING CHART
| DTC (IMA System Indicator(1)) | Two Drive Cycle Detection | IMA | Detection Item | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| P0562 (15) | - | ◦ | ◦ | - | Motor Control Module (MCM) Power Source Circuit Unexpected Voltage | ||||||
| P0562 (94) | - | ◦ | ◦ | - | Motor Control Module (MCM) System Low Voltage | ||||||
| P0602 (91) | - | ◦ | ◦ | ◦ | Motor Control Module (MCM) Programming Error | ||||||
| P0602 (92) | - | ◦ | ◦ | ◦ | Motor Control Module (MCM) Program Not Installed (Battery Condition Monitor Program) | ||||||
| P062F (60) | - | ◦ | ◦ | ◦ | Motor Control Module (MCM) Internal Circuit EEPROM Error | ||||||
| P062F (61)(2) | - | ◦ | ◦ | ◦ | Motor Control Module (MCM) Internal Circuit EEPROM Error | ||||||
| P06B1 (79) | - | ◦ | ◦ | ◦ | Battery Current Sensor Circuit Malfunction | ||||||
| P0A1B (84) | - | ◦ | ◦ | ◦ | Motor Control Module (MCM) Internal Circuit Malfunction | ||||||
| P0A27 (46) | - | ◦ | - | - | High Voltage Contactor/Bypass Contactor Stays Activated | ||||||
| P0A3C (39) | - | ◦ | ◦ | ◦ | Motor Power Inverter (MPI) Module Overheating | ||||||
| P0A3F (89) | - | ◦ | ◦ | ◦ | Motor Rotor Position Sensor Circuit Malfunction | ||||||
| P0A5E (24) | - | ◦ | ◦ | ◦ | U Phase Motor Current Sensor Circuit Low Voltage | ||||||
| P0A5F (25) | - | ◦ | ◦ | ◦ | U Phase Motor Current Sensor Circuit High Voltage | ||||||
| P0A61 (26) | - | ◦ | ◦ | ◦ | V Phase Motor Current Sensor Circuit Low Voltage | ||||||
| P0A62 (27) | - | ◦ | ◦ | ◦ | V Phase Motor Current Sensor Circuit High Voltage | ||||||
| P0A64 (28) | - | ◦ | ◦ | ◦ | W Phase Motor Current Sensor Circuit Low Voltage | ||||||
| P0A65 (29) | - | ◦ | ◦ | ◦ | W Phase Motor Current Sensor Circuit High Voltage | ||||||
| P0A78 (32) | - | ◦ | ◦ | ◦ | Motor Power Inverter (MPI) Module Internal Circuit Malfunction | ||||||
| P0A7E (72) | - | ◦ | ◦ | ◦ | Battery Module Overheating | ||||||
| P0A7F (78) | ◦ | ◦ | ◦ | - | Battery Module Deterioration | ||||||
| P0A94 (48) | - | - | - | ◦ | DC-DC Converter Output Low Voltage | ||||||
| P0A9D (49) | ◦ | ◦ | ◦ | - | Battery Module Temperature Sensor 1 Circuit Low Voltage | ||||||
| P0A9E (50) | ◦ | ◦ | ◦ | - | Battery Module Temperature Sensor 1 Circuit High Voltage | ||||||
| P0AA6 (59) | - | ◦ | - | - | High Voltage Circuit Isolation Problem | ||||||
| P0AA7 (76) | - | ◦ | - | - | Motor Control Module (MCM) Internal Circuit Malfunction | ||||||
| P0AC0 (65) | - | ◦ | ◦ | ◦ | Battery Current Sensor 1 Circuit Malfunction | ||||||
| P0AC1 (115) | - | ◦ | ◦ | ◦ | Battery Current Sensor 1 Circuit Low Voltage | ||||||
| P0AC2 (114) | - | ◦ | ◦ | ◦ | Battery Current Sensor 1 Circuit High Voltage | ||||||
| P0AC7 (51) | ◦ | ◦ | ◦ | - | Battery Module Temperature Sensor 2 Circuit Low Voltage | ||||||
| P0AC8 (52) | ◦ | ◦ | ◦ | - | Battery Module Temperature Sensor 2 Circuit High Voltage | ||||||
| P0ACC (53) | ◦ | ◦ | ◦ | - | Battery Module Temperature Sensor 3 Circuit Low Voltage | ||||||
| P0ACD (54) | ◦ | ◦ | ◦ | - | Battery Module Temperature Sensor 3 Circuit High Voltage | ||||||
| P0AE1 (62) | - | ◦ | ◦ | ◦ | Bypass Contactor Malfunction | ||||||
| POB0F (113) | - | ◦ | ◦ | ◦ | Battery Current Sensor 2 Circuit Malfunction | ||||||
| P0B10 (117) | - | ◦ | ◦ | ◦ | Battery Current Sensor 2 Circuit Low Voltage | ||||||
| P0B11 (116) | - | ◦ | ◦ | ◦ | Battery Current Sensor 2 Circuit High Voltage | ||||||
| P0BE6 (86) | - | ◦ | ◦ | ◦ | U Phase Motor Current Sensor Circuit Malfunction | ||||||
| P0BEA (87) | - | ◦ | ◦ | ◦ | V Phase Motor Current Sensor Circuit Malfunction | ||||||
| P0BEE (88) | - | ◦ | ◦ | ◦ | W Phase Motor Current Sensor Circuit Malfunction | ||||||
| P0BFD (30) | - | ◦ | ◦ | ◦ | Motor Current Sensor Circuit Malfunction | ||||||
| P1437 (41) | - | ◦ | ◦ | ◦ | Motor Power Inverter (MPI) Module Short Circuit | ||||||
| P1440 (57) | - | ◦ | ◦ | ◦ | Motor Power Inverter (MPI) Module Output Circuit Malfunction | ||||||
| P1446 (74) | ◦ | ◦ | ◦ | - | Battery Module Individual Voltage Input Deviation | ||||||
| P1448 (63) | ◦ | ◦ | ◦ | - | Intelligent Power Unit (IPU) Module Fan Problem | ||||||
| P1570 (66) | - | ◦ | ◦ | ◦ | Battery Module Individual Voltage Problem | ||||||
| P1574 (68) | ◦ | ◦ | ◦ | - | Battery Module Temperature Signal Circuit Malfunction | ||||||
| P1575 (12) | - | ◦ | ◦ | ◦ | Motor Power Inverter (MPI) Module Voltage Malfunction | ||||||
| P1586 (23) | - | ◦ | ◦ | ◦ | Battery Current Sensor Signal Malfunction | ||||||
| P15A5 (85) | - | ◦ | ◦ | ◦ | Motor Current Sensor Circuit Malfunction | ||||||
| P15AA (93) | ◦ | ◦ | - | - | Motor Rotor Position Not Learned | ||||||
| P15C4 (118) | ◦ | ◦ | - | - | Auto Idle Stop System Malfunction | ||||||
| P1634 (47) | - | ◦ | ◦ | ◦ | Motor Power Inverter (MPI) Module Signal Circuit Malfunction | ||||||
| P1673 (22) | - | ◦ | - | - | Motor Control Module (MCM) Relay Stays Activated | ||||||
| P16C3 (31) | - | ◦ | - | - | DC-DC Converter Temperature Sensor Circuit Malfunction | ||||||
| U0029 (107) | ◦ | ◦ | ◦ | - | F-CAN Malfunction (BUS-OFF (Motor Control Module (MCM))) | ||||||
| U0029 (108) | -(3) ◦(2) |
◦ | ◦ | ◦(3) -(2) |
F-CAN Malfunction (BUS-OFF (Motor Control Module (MCM))) | ||||||
| U0038 (99) | - | ◦ | ◦ | ◦ | IMA-CAN Malfunction (BUS-OFF (Motor Control Module (MCM))) | ||||||
| U0100 (102) | ◦ | ◦ | ◦ | - | F-CAN Malfunction (Powertrain Control Module (PCM) - Motor Control Module (MCM)) | ||||||
| U0100 (103) | ◦ | ◦ | ◦ | - | F-CAN Malfunction (Powertrain Control Module (PCM) - Motor Control Module (MCM)) | ||||||
| U0155 (106) | ◦ | ◦ | - | - | F-CAN Malfunction (Gauge Control Module - Motor Control Module (MCM)) | ||||||
| U0311 (123)(2) | - | ◦ | ◦ | ◦ | MCM and BCM Program Version Mismatch | ||||||
| U0312 (124)(2) | - | ◦ | ◦ | ◦ | BCM, MCM and PGM-FI System Program Version Mismatch | ||||||
| U1204 (55) | - | ◦ | ◦ | ◦ | IMA-CAN Malfunction (Powertrain Control Module (PCM) - Motor Control Module (MCM)) | ||||||
| U1220 (34) | ◦ | ◦ | ◦ | - | DC-DC Converter Lost Communication With Motor Control Module (MCM) | ||||||
| U1221 (35) | ◦ | ◦ | ◦ | ◦ | Motor Control Module (MCM) Lost Communication with DC-DC Converter | ||||||
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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.