Code
C1382
Generic
C — Chassis
Chassis Control Module Internal Fault
Views:
UK: 0
EN: 1
RU: 1
AI status
Completed
Completed
100%
Causes
- Internal module hardware failure (processor, memory, I/O)
- Corrupted or failed module firmware/software
- Loss or instability of module supply voltage or ground
- Faulty or corroded connector or wiring to the module
- Bus communication errors on CAN/LIN (shorts, high resistance, missing termination)
- Water intrusion or physical damage to the module
Symptoms
- Chassis/ABS/traction/stability warning lamp illuminated
- Loss or reduction of ABS, traction control, or stability features
- Related systems may enter limp or restricted mode
- Intermittent or permanent loss of communication with CCM on scan tool
- Erratic operation of chassis-related features or false warnings
What to check
- Connect a factory-level or capable OBD-II scan tool; read stored/active DTCs and freeze-frame data
- Check for related codes in ABS, BCM, engine and gateway modules (communication faults)
- Visually inspect CCM connector, pins and harness for corrosion, water, damage or deformation
- Check fuses and relays that supply the module
- Measure module supply voltage (key ON) at the module connector and compare to battery voltage
- Check module ground(s) for continuity and low resistance to battery negative
Signal parameters
- Battery voltage (key ON): 11.5–14.5 V (nominal ~12.0–14.0 V)
- Module wake/supply voltage present at connector: ~11–14.5 V
- Ground resistance (module ground to battery negative):
- CAN bus idle voltages: CAN_H ≈ 2.4–2.6 V, CAN_L ≈ 2.4–2.6 V; dominant state ~CAN_H 3.5 V / CAN_L 1.5 V
- CAN bus termination resistance (across CAN_H to CAN_L): approx. 60 Ω (two 120 Ω in parallel)
Diagnostic algorithm
- Read and document all stored/active DTCs and freeze-frame data with a capable scan tool; note related modules reporting comms faults.
- Inspect the CCM connector and harness for damage, corrosion, or water; repair as needed.
- Verify battery condition and measure supply voltage at the module with key ON and during cranking; ensure voltage stays within specified range.
- Check fuses and relays powering the module; replace any blown fuses and re-test.
- Measure ground resistance from module ground pin to chassis/battery negative; repair any high-resistance grounds.
- Check CAN/LIN bus wiring: measure idle voltages at module connector, verify termination resistance ~60 Ω, and look for shorts to battery or ground. Repair wiring faults.
- If power/ground and bus are good, perform a scan-tool software/firmware check and apply any OEM updates/reprogramming per service information.
- If the module remains faulty after software reflash and confirming correct power/ground/communications, replace the module. Follow programming/initialization procedures and observe immobilizer/gateway requirements if applicable.
- After repair or replacement, clear codes and perform a full functional test and road test to confirm repair. Document findings and final verification data.
Likely causes
- Poor power/ground to the module (low battery voltage, blown fuse, high-resistance ground)
- CAN bus wiring fault, missing termination or short to voltage/ground
- Corroded/loose connector at module
- Module firmware error requiring reflash
- Actual internal hardware failure of the module
Fault status
Status
Chassis Control Module Internal Fault - internal hardware/software error reported by CCM. Verify module power, ground and bus communications; perform software update before replacing module.
Repair difficulty: Hard
Diagnostic time: 1.0-3.0 hours
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Code
C1382
MITSUBISHI
C — Chassis
Straight G SNSR.low voltage
Views:
UK: 14
EN: 13
RU: 20
AI status
Completed
Completed
100%
Causes
- Internal module hardware failure (processor, memory, I/O)
- Corrupted or failed module firmware/software
- Loss or instability of module supply voltage or ground
- Faulty or corroded connector or wiring to the module
- Bus communication errors on CAN/LIN (shorts, high resistance, missing termination)
- Water intrusion or physical damage to the module
Symptoms
- Chassis/ABS/traction/stability warning lamp illuminated
- Loss or reduction of ABS, traction control, or stability features
- Related systems may enter limp or restricted mode
- Intermittent or permanent loss of communication with CCM on scan tool
- Erratic operation of chassis-related features or false warnings
What to check
- Connect a factory-level or capable OBD-II scan tool; read stored/active DTCs and freeze-frame data
- Check for related codes in ABS, BCM, engine and gateway modules (communication faults)
- Visually inspect CCM connector, pins and harness for corrosion, water, damage or deformation
- Check fuses and relays that supply the module
- Measure module supply voltage (key ON) at the module connector and compare to battery voltage
- Check module ground(s) for continuity and low resistance to battery negative
Signal parameters
- Battery voltage (key ON): 11.5–14.5 V (nominal ~12.0–14.0 V)
- Module wake/supply voltage present at connector: ~11–14.5 V
- Ground resistance (module ground to battery negative):
- CAN bus idle voltages: CAN_H ≈ 2.4–2.6 V, CAN_L ≈ 2.4–2.6 V; dominant state ~CAN_H 3.5 V / CAN_L 1.5 V
- CAN bus termination resistance (across CAN_H to CAN_L): approx. 60 Ω (two 120 Ω in parallel)
Diagnostic algorithm
- Read and document all stored/active DTCs and freeze-frame data with a capable scan tool; note related modules reporting comms faults.
- Inspect the CCM connector and harness for damage, corrosion, or water; repair as needed.
- Verify battery condition and measure supply voltage at the module with key ON and during cranking; ensure voltage stays within specified range.
- Check fuses and relays powering the module; replace any blown fuses and re-test.
- Measure ground resistance from module ground pin to chassis/battery negative; repair any high-resistance grounds.
- Check CAN/LIN bus wiring: measure idle voltages at module connector, verify termination resistance ~60 Ω, and look for shorts to battery or ground. Repair wiring faults.
- If power/ground and bus are good, perform a scan-tool software/firmware check and apply any OEM updates/reprogramming per service information.
- If the module remains faulty after software reflash and confirming correct power/ground/communications, replace the module. Follow programming/initialization procedures and observe immobilizer/gateway requirements if applicable.
- After repair or replacement, clear codes and perform a full functional test and road test to confirm repair. Document findings and final verification data.
Likely causes
- Poor power/ground to the module (low battery voltage, blown fuse, high-resistance ground)
- CAN bus wiring fault, missing termination or short to voltage/ground
- Corroded/loose connector at module
- Module firmware error requiring reflash
- Actual internal hardware failure of the module
Fault status
Status
Chassis Control Module Internal Fault - internal hardware/software error reported by CCM. Verify module power, ground and bus communications; perform software update before replacing module.
Repair difficulty: Hard
Diagnostic time: 1.0-3.0 hours
Similar codes
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