C1179high severityChassis
Powertrain CAN Communication Circuit
on 2003 Infiniti FX45 4.5L V8 · AWD
What this code means
The ABS/VDC unit has lost communication with the powertrain modules over the CAN bus. No direct OBD P-code equivalent.
Symptoms
- Multiple warning lights on
- Stability control disabled
- Communication error stored
Common causes
- CAN bus wiring fault
- Faulty ECM/TCM communication
- Connector corrosion
- Faulty ABS control unit
Diagnostic steps
- Scan all modules for CAN codes
- Inspect CAN bus wiring and connectors
- Measure CAN bus resistance and signals
- Isolate faulty module or repair wiring
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Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
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Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
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Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic