B1052

Factory Manual References

Factory service manual diagnostic procedure for 2011 acura mdx

A L L Diagnostic Trouble Codes ( DTC )

B1051




DTC Troubleshooting: B1051, B1052

DTC B1051:

Relay Control Module Internal Error (CPU error)

DTC B1052:

Relay Control Module Internal Error (EEPROM error)

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC B1051 or B1052 indicated?

YES -

Faulty relay control module, replace the under-hood fuse/relay box Under-Hood Fuse/Relay Box Removal and Installation.�

NO -

Intermittent failure, the system is OK at this time.�

B1052




DTC Troubleshooting: B1051, B1052

DTC B1051:

Relay Control Module Internal Error (CPU error)

DTC B1052:

Relay Control Module Internal Error (EEPROM error)

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC B1051 or B1052 indicated?

YES -

Faulty relay control module, replace the under-hood fuse/relay box Under-Hood Fuse/Relay Box Removal and Installation.�

NO -

Intermittent failure, the system is OK at this time.�

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

A/C Leak Detection (B07-025)

Location

Ac Power Outlet

Location

Accessory Power Sockets

Location

Active Damper System

Location

ACURALINK

Fuse/Relay

Battery Is Dead, Or A/C Cools Poorly (11-031)

Fuse/Relay

Acc/CMBS Indicator Is On With DTC 30 (14-022)

Fuse/Relay

2011 MDX: TQI And New Model Service Information (10-023)

Fuse/Relay

Acc/CMBS Indicator Is On With DTC 30 (14-022)

Related Procedures

Procedure

A/C Refrigerant (Compressor) Oil Guide (BJA34004)

Procedure

A/C Refrigerant And Oil Type Guide (BJA1330)

Procedure

A/C Refrigerant Type Guide (BJA11220)

Procedure

A/C Refrigerant Types Guide (BJA09917 VERSION 2)

Procedure

Drive Belt Squeaks (10-035)

Procedure

Always Enter Campaign Number On Proof Of Correction Certificate (B13010B)

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