Toggle Side Panel

Shopping Cart

No products in the basket.

Shopping Cart

No products in the basket.

Close search
Home / DTC / B2353 — Ignition power supply (low)

B2353 — Ignition power supply (low)

Detailed page for trouble code B2353.

34,405codes
59brands
11,914generic
22,491specific
All codes P-codes (Powertrain) B-codes (Body) C-codes (Chassis) U-codes (Network/User) Tesla Alerts
Reset
Code

B2353

MITSUBISHI B — Body

Ignition power supply (low)

Brand: MITSUBISHI
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Weak or discharged vehicle battery
  • Corroded/loose battery terminals or cables
  • Blown ignition/fuse link or fusible link
  • Faulty ignition switch or ignition relay
  • Damaged, corroded, or shorted wiring in the ignition feed circuit
  • High resistance or open ground connection

Symptoms

  • Starter cranks slowly or no-crank if battery severely low
  • Intermittent or permanent loss of function of affected module(s)
  • Warning lights or instrument cluster alerts related to power or communication
  • Unexpected stalls or inability to restart
  • Erratic behavior of electrical accessories when ignition is ON

What to check

  • Measure battery resting voltage and voltage with engine running
  • Inspect battery terminals, cable condition, and chassis/engine grounds
  • Check relevant fuses and fusible links for continuity and proper rating
  • Verify ignition relay operation and swap with known-good relay if available
  • Inspect connectors and wiring on ignition power feed for corrosion, damage, or poor pin contact
  • Scan for additional DTCs and note related modules reporting low voltage/communication faults

Signal parameters

  • Battery resting voltage: ~12.4–12.8 V (fully charged ~12.6 V)
  • Charging system (engine running): ~13.5–14.7 V
  • Cranking voltage should typically remain above ~9.0 V (may be lower during long cranks)
  • Ignition feed to module: should be within ~0.5–1.0 V of battery/charging voltage with IGN ON
  • A sustained drop below manufacturer threshold (typically near 8–10 V depending on module) can set B2353

Diagnostic algorithm

  1. Record freeze-frame/related codes and battery voltage with vehicle OFF, IGN ON, and during cranking using a DVOM.
  2. Visually inspect battery, terminals, and both positive and negative cables; clean and tighten as necessary.
  3. Check main fuses, fusible links and ignition feed fuses for continuity; replace any blown fuses with correct type.
  4. Test/replace ignition relay: verify coil supply and switched output when IGN is ON.
  5. Backprobe the module ignition feed connector and measure voltage with IGN ON and while cranking; compare to battery voltage to identify excessive voltage drop.
  6. Inspect harness routing for chafing, pinched wires (hinge points, firewall). Repair any damaged wiring or connectors.
  7. Check and clean ground points for the affected module and main engine/chassis grounds; ensure secure torque on ground bolts.
  8. If wiring, fuses, relays, grounds and battery are good, consider module internal fault. Confirm loss persists after repairs and replace module only after verifying supply fault is not external.
  9. Clear codes, perform function test and road test to confirm repair; re-scan for reappearance of B2353 or related codes.

Likely causes

  • Low battery state of charge or poor battery condition
  • Corroded/loose battery cable or terminal causing voltage drop
  • Faulty/failing ignition relay or fuse in the ignition feed
  • High-resistance connection at connector(s) supplying the module
  • Damaged wiring harness where harness is routed through hinge or firewall

Fault status

⚠️ Status
Ignition power supply (low) — the control module detected that the ignition feed voltage is below the acceptable threshold while ignition is ON/CRANK. Stored when measured supply voltage falls below the module's programmed limit or if the supply is intermittent.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-2.5 hours

Similar codes

P0562 P0613 U0100 U0121 P0627
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

MITSUBISHI

Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

B2353

Other B — Body

Driver Mirror Power Driver Circuit Short Ground

Brand: Other
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Weak or discharged vehicle battery
  • Corroded/loose battery terminals or cables
  • Blown ignition/fuse link or fusible link
  • Faulty ignition switch or ignition relay
  • Damaged, corroded, or shorted wiring in the ignition feed circuit
  • High resistance or open ground connection

Symptoms

  • Starter cranks slowly or no-crank if battery severely low
  • Intermittent or permanent loss of function of affected module(s)
  • Warning lights or instrument cluster alerts related to power or communication
  • Unexpected stalls or inability to restart
  • Erratic behavior of electrical accessories when ignition is ON

What to check

  • Measure battery resting voltage and voltage with engine running
  • Inspect battery terminals, cable condition, and chassis/engine grounds
  • Check relevant fuses and fusible links for continuity and proper rating
  • Verify ignition relay operation and swap with known-good relay if available
  • Inspect connectors and wiring on ignition power feed for corrosion, damage, or poor pin contact
  • Scan for additional DTCs and note related modules reporting low voltage/communication faults

Signal parameters

  • Battery resting voltage: ~12.4–12.8 V (fully charged ~12.6 V)
  • Charging system (engine running): ~13.5–14.7 V
  • Cranking voltage should typically remain above ~9.0 V (may be lower during long cranks)
  • Ignition feed to module: should be within ~0.5–1.0 V of battery/charging voltage with IGN ON
  • A sustained drop below manufacturer threshold (typically near 8–10 V depending on module) can set B2353

Diagnostic algorithm

  1. Record freeze-frame/related codes and battery voltage with vehicle OFF, IGN ON, and during cranking using a DVOM.
  2. Visually inspect battery, terminals, and both positive and negative cables; clean and tighten as necessary.
  3. Check main fuses, fusible links and ignition feed fuses for continuity; replace any blown fuses with correct type.
  4. Test/replace ignition relay: verify coil supply and switched output when IGN is ON.
  5. Backprobe the module ignition feed connector and measure voltage with IGN ON and while cranking; compare to battery voltage to identify excessive voltage drop.
  6. Inspect harness routing for chafing, pinched wires (hinge points, firewall). Repair any damaged wiring or connectors.
  7. Check and clean ground points for the affected module and main engine/chassis grounds; ensure secure torque on ground bolts.
  8. If wiring, fuses, relays, grounds and battery are good, consider module internal fault. Confirm loss persists after repairs and replace module only after verifying supply fault is not external.
  9. Clear codes, perform function test and road test to confirm repair; re-scan for reappearance of B2353 or related codes.

Likely causes

  • Low battery state of charge or poor battery condition
  • Corroded/loose battery cable or terminal causing voltage drop
  • Faulty/failing ignition relay or fuse in the ignition feed
  • High-resistance connection at connector(s) supplying the module
  • Damaged wiring harness where harness is routed through hinge or firewall

Fault status

⚠️ Status
Ignition power supply (low) — the control module detected that the ignition feed voltage is below the acceptable threshold while ignition is ON/CRANK. Stored when measured supply voltage falls below the module's programmed limit or if the supply is intermittent.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-2.5 hours

Similar codes

P0562 P0613 U0100 U0121 P0627
7,894

The library contains 7,894 repair and diagnostic manuals. Choose a brand to open the full manual tree by year, model and trim.

ALFA ROMEO
89
AUDI
1,160
BMW
479
CHEVROLET
212
DAEWOO
75
FIAT
26
GENESIS
207
HUMMER
138
HYUNDAI
371
ISUZU
86
LAND ROVER
320
LEXUS
280
LINCOLN
166
MERCEDES-BENZ
856
MERCURY
296
MITSUBISHI
406
PORSCHE
136
TESLA
58
TOYOTA
2,042
TRIUMPH
131
VOLKSWAGEN
139
VOLVO
221
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

Report

Harassment or bullying behavior
Contains mature or sensitive content
Contains misleading or false information
Contains abusive or derogatory content
Contains spam, fake content or potential malware

Block Member?

Please confirm you want to block this member.

You will no longer be able to:

  • See blocked member's posts
  • Mention this member in posts
  • Invite this member to groups
  • Message this member
  • Add this member as a connection

Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.

Report

You have already reported this .